diff --git a/g/encoding/gjson/gjson.go b/g/encoding/gjson/gjson.go
index bdacc4578..da2f1e226 100644
--- a/g/encoding/gjson/gjson.go
+++ b/g/encoding/gjson/gjson.go
@@ -4,9 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://github.com/gogf/gf.
 
-// Package gjson provides flexible and useful API for JSON/XML/YAML/TOML content handling.
-//
-// JSON/XML/YAML/TOML数据格式处理。
+// Package gjson provides convenient API for JSON/XML/YAML/TOML data handling.
 package gjson
 
 import (
@@ -19,7 +17,6 @@ import (
     "github.com/gogf/gf/g/encoding/gyaml"
     "github.com/gogf/gf/g/internal/rwmutex"
     "github.com/gogf/gf/g/os/gfcache"
-    "github.com/gogf/gf/g/os/gfile"
     "github.com/gogf/gf/g/text/gregex"
     "github.com/gogf/gf/g/text/gstr"
     "github.com/gogf/gf/g/util/gconv"
@@ -30,18 +27,24 @@ import (
 )
 
 const (
-    gDEFAULT_SPLIT_CHAR = '.' // 默认层级分隔符号
+    // Separator char for hierarchical data access.
+    gDEFAULT_SPLIT_CHAR = '.'
 )
 
-// json解析结果存放数组
+// The customized JSON struct.
 type Json struct {
     mu *rwmutex.RWMutex
-    p  *interface{} // 注意这是一个指针
-    c  byte         // 层级分隔符，默认为"."
-    vc bool         // 层级检索是否执行分隔符冲突检测(默认为false，检测会比较影响检索效率)
+    p  *interface{} // Pointer for hierarchical data access, it's the root of data in default.
+    c  byte         // Char separator('.' in default).
+    vc bool         // Violence Check(false in default), which is used to access data
+                    // when the hierarchical data key contains separator char.
 }
 
-// 将变量转换为Json对象进行处理，该变量至少应当是一个map或者slice，否者转换没有意义
+// New creates a Json object with any variable type of <data>,
+// but <data> should be a map or slice for data access reason,
+// or it will make no sense.
+// The <unsafe> param specifies whether using this Json object
+// in un-concurrent-safe context, which is false in default.
 func New(data interface{}, unsafe...bool) *Json {
     j := (*Json)(nil)
     switch data.(type) {
@@ -75,7 +78,7 @@ func New(data interface{}, unsafe...bool) *Json {
     return j
 }
 
-// 创建一个非并发安全的Json对象
+// NewUnsafe creates a un-concurrent-safe Json object.
 func NewUnsafe(data...interface{}) *Json {
     if len(data) > 0 {
         return New(data[0], true)
@@ -83,17 +86,17 @@ func NewUnsafe(data...interface{}) *Json {
     return New(nil, true)
 }
 
-// 识别当前给定内容是否为JSON格式
+// Valid checks whether <data> is a valid JSON data type.
 func Valid(data interface{}) bool {
     return json.Valid(gconv.Bytes(data))
 }
 
-// 编码go变量为json字符串，并返回json字符串指针
+// Encode encodes <value> to JSON data type of bytes.
 func Encode(value interface{}) ([]byte, error) {
     return json.Marshal(value)
 }
 
-// 解码字符串/[]byte为interface{}变量
+// Decode decodes <data>(string/[]byte) to golang variable.
 func Decode(data interface{}) (interface{}, error) {
     var value interface{}
     if err := DecodeTo(gconv.Bytes(data), &value); err != nil {
@@ -103,58 +106,63 @@ func Decode(data interface{}) (interface{}, error) {
     }
 }
 
-// 解析json字符串/[]byte为go变量，注意第二个参数为指针(任意结构的变量)
+// Decode decodes <data>(string/[]byte) to specified golang variable <v>.
+// The <v> should be a pointer type.
 func DecodeTo(data interface{}, v interface{}) error {
     decoder := json.NewDecoder(bytes.NewReader(gconv.Bytes(data)))
     decoder.UseNumber()
     return decoder.Decode(v)
 }
 
-// 解析json字符串为gjson.Json对象，并返回操作对象指针
-func DecodeToJson(data interface{}) (*Json, error) {
+// DecodeToJson codes <data>(string/[]byte) to a Json object.
+func DecodeToJson(data interface{}, unsafe...bool) (*Json, error) {
     if v, err := Decode(gconv.Bytes(data)); err != nil {
         return nil, err
     } else {
-        return New(v), nil
+        return New(v, unsafe...), nil
     }
 }
 
-// 支持多种配置文件类型转换为json格式内容并解析为gjson.Json对象
-func Load(path string) (*Json, error) {
-    return LoadContent(gfcache.GetBinContents(path), gfile.Ext(path))
+// Load loads content from specified file <path>,
+// and creates a Json object from its content.
+func Load(path string, unsafe...bool) (*Json, error) {
+    return LoadContent(gfcache.GetBinContents(path), unsafe...)
 }
 
-// 支持的配置文件格式：xml, json, yaml/yml, toml,
-// 默认为自动识别，当无法检测成功时使用json解析。
-func LoadContent(data interface{}, dataType...string) (*Json, error) {
+// LoadContent creates a Json object from given content,
+// it checks the data type of <content> automatically,
+// supporting JSON, XML, YAML and TOML types of data.
+func LoadContent(data interface{}, unsafe...bool) (*Json, error) {
     var err    error
     var result interface{}
     b := gconv.Bytes(data)
     t := "json"
-    if len(dataType) > 0 {
-        t = dataType[0]
+    // auto check data type
+    if json.Valid(b) {
+        t = "json"
+    } else if gregex.IsMatch(`^<.+>.*</.+>$`, b) {
+        t = "xml"
+    } else if gregex.IsMatch(`^[\s\t]*\w+\s*:\s*.+`, b) || gregex.IsMatch(`\n[\s\t]*\w+\s*:\s*.+`, b) {
+        t = "yml"
+    } else if gregex.IsMatch(`^[\s\t]*\w+\s*=\s*.+`, b) || gregex.IsMatch(`\n[\s\t]*\w+\s*=\s*.+`, b) {
+        t = "toml"
     } else {
-        if json.Valid(b) {
-            t = "json"
-        } else if gregex.IsMatch(`<.+>.*</.+>`, b) {
-            t = "xml"
-        } else if gregex.IsMatch(`\n[\s\t]*\w+\s*:\s*.+`, b) {
-            t = "yml"
-        } else if gregex.IsMatch(`\n[\s\t]*\w+\s*=\s*.+`, b) {
-            t = "toml"
-        }
+        return nil, errors.New("unsupported data type")
     }
-    // 其他数据格式解析
+    // convert to json type data
     switch t {
         case "json", ".json":
             // ok
         case "xml", ".xml":
+            // TODO UseNumber
             b, err = gxml.ToJson(b)
 
         case "yml", "yaml", ".yml", ".yaml":
+            // TODO UseNumber
             b, err = gyaml.ToJson(b)
 
         case "toml", ".toml":
+            // TODO UseNumber
             b, err = gtoml.ToJson(b)
 
         default:
@@ -174,26 +182,26 @@ func LoadContent(data interface{}, dataType...string) (*Json, error) {
                 return nil, fmt.Errorf(`json decoding failed for content: %s`, string(b))
         }
     }
-    return New(result), nil
+    return New(result, unsafe...), nil
 }
 
-// 设置自定义的层级分隔符号
+// SetSplitChar sets the separator char for hierarchical data access.
 func (j *Json) SetSplitChar(char byte) {
     j.mu.Lock()
     j.c = char
     j.mu.Unlock()
 }
 
-// 设置是否执行层级冲突检查，当键名中存在层级符号时需要开启该特性，默认为关闭。
-// 开启比较耗性能，也不建议允许键名中存在分隔符，最好在应用端避免这种情况。
-func (j *Json) SetViolenceCheck(check bool) {
+// SetViolenceCheck enables/disables violence check for hierarchical data access.
+func (j *Json) SetViolenceCheck(enabled bool) {
     j.mu.Lock()
-    j.vc = check
+    j.vc = enabled
     j.mu.Unlock()
 }
 
-// 将指定的json内容转换为指定结构返回，查找失败或者转换失败，目标对象转换为nil
-// 注意第二个参数需要给的是**变量地址**
+// GetToVar gets the value by specified <pattern>,
+// and converts it to specified golang variable <v>.
+// The <v> should be a pointer type.
 func (j *Json) GetToVar(pattern string, v interface{}) error {
     r := j.Get(pattern)
     if r != nil {
@@ -208,19 +216,18 @@ func (j *Json) GetToVar(pattern string, v interface{}) error {
     return nil
 }
 
-// 获得一个键值对关联数组/哈希表，方便操作，不需要自己做类型转换
-// 注意，如果获取的值不存在，或者类型与json类型不匹配，那么将会返回nil
+// GetMap gets the value by specified <pattern>,
+// and converts it to map[string]interface{}.
 func (j *Json) GetMap(pattern string) map[string]interface{} {
     result := j.Get(pattern)
     if result != nil {
-        if r, ok := result.(map[string]interface{}); ok {
-            return r
-        }
+        return gconv.Map(result)
     }
     return nil
 }
 
-// 将检索值转换为Json对象指针返回。
+// GetJson gets the value by specified <pattern>,
+// and converts it to a Json object.
 func (j *Json) GetJson(pattern string) *Json {
     result := j.Get(pattern)
     if result != nil {
@@ -229,7 +236,8 @@ func (j *Json) GetJson(pattern string) *Json {
     return nil
 }
 
-// 将检索值转换为Json对象指针数组返回。
+// GetJsons gets the value by specified <pattern>,
+// and converts it to a slice of Json object.
 func (j *Json) GetJsons(pattern string) []*Json {
     array := j.GetArray(pattern)
     if len(array) > 0 {
@@ -242,21 +250,25 @@ func (j *Json) GetJsons(pattern string) []*Json {
     return nil
 }
 
-// 获得一个数组[]interface{}，方便操作，不需要自己做类型转换。
+// GetArray gets the value by specified <pattern>,
+// and converts it to a slice of []interface{}.
 func (j *Json) GetArray(pattern string) []interface{} {
     return gconv.Interfaces(j.Get(pattern))
 }
 
-// 返回指定json中的string
+// GetString gets the value by specified <pattern>,
+// and converts it to string.
 func (j *Json) GetString(pattern string) string {
     return gconv.String(j.Get(pattern))
 }
 
-// 返回指定json中的strings(转换为[]string数组)
+// GetStrings gets the value by specified <pattern>,
+// and converts it to a slice of []string.
 func (j *Json) GetStrings(pattern string) []string {
     return gconv.Strings(j.Get(pattern))
 }
 
+// See GetArray.
 func (j *Json) GetInterfaces(pattern string) []interface{} {
     return gconv.Interfaces(j.Get(pattern))
 }
@@ -269,7 +281,10 @@ func (j *Json) GetTimeDuration(pattern string) time.Duration {
     return gconv.TimeDuration(j.Get(pattern))
 }
 
-// 返回指定json中的bool(false:"", 0, false, off)
+// GetBool gets the value by specified <pattern>,
+// and converts it to bool.
+// It returns false when value is: "", 0, false, off, nil;
+// or returns true instead.
 func (j *Json) GetBool(pattern string) bool {
     return gconv.Bool(j.Get(pattern))
 }
@@ -330,25 +345,29 @@ func (j *Json) GetFloats(pattern string) []float64 {
     return gconv.Floats(j.Get(pattern))
 }
 
-// 将指定变量转换为struct对象(对象属性赋值)
+// GetToStruct gets the value by specified <pattern>,
+// and converts it to specified object <objPointer>.
+// The <objPointer> should be the pointer to an object.
 func (j *Json) GetToStruct(pattern string, objPointer interface{}) error {
     return gconv.Struct(j.Get(pattern), objPointer)
 }
 
-// 动态设置层级变量
+// Set sets value with specified <pattern>.
+// It supports hierarchical data access by char separator, which is '.' in default.
 func (j *Json) Set(pattern string, value interface{}) error {
     return j.setValue(pattern, value, false)
 }
 
-// 动态删除层级变量
+// Remove deletes value with specified <pattern>.
+// It supports hierarchical data access by char separator, which is '.' in default.
 func (j *Json) Remove(pattern string) error {
     return j.setValue(pattern, nil, true)
 }
 
-// 根据pattern查找并设置数据
-// 注意：
-// 1、写入的value为nil且removed为true时，表示删除;
-// 2、里面的层级处理比较复杂，逻辑较复杂的地方在于层级检索及节点创建，叶子赋值;
+// Set <value> by <pattern>.
+// Notice:
+// 1. If value is nil and removed is true, means deleting this value;
+// 2. It's quite complicated in hierarchical data search, node creating and data assignment;
 func (j *Json) setValue(pattern string, value interface{}, removed bool) error {
     array   := strings.Split(pattern, string(j.c))
     length  := len(array)
@@ -367,144 +386,144 @@ func (j *Json) setValue(pattern string, value interface{}, removed bool) error {
     defer j.mu.Unlock()
     for i:= 0; i < length; i++ {
         switch (*pointer).(type) {
-        case map[string]interface{}:
-            if i == length - 1 {
-                if removed && value == nil {
-                    // 删除map元素
-                    delete((*pointer).(map[string]interface{}), array[i])
-                } else {
-                    (*pointer).(map[string]interface{})[array[i]] = value
-                }
-            } else {
-                // 当键名不存在的情况这里会进行处理
-                if v, ok := (*pointer).(map[string]interface{})[array[i]]; !ok {
-                    if removed && value == nil {
-                        goto done
-                    }
-                    // 创建新节点
-                    if gstr.IsNumeric(array[i + 1]) {
-                        // 创建array节点
-                        n, _ := strconv.Atoi(array[i + 1])
-                        var v interface{} = make([]interface{}, n + 1)
-                        pparent = j.setPointerWithValue(pointer, array[i], v)
-                        pointer = &v
-                    } else {
-                        // 创建map节点
-                        var v interface{} = make(map[string]interface{})
-                        pparent = j.setPointerWithValue(pointer, array[i], v)
-                        pointer = &v
-                    }
-                } else {
-                    pparent = pointer
-                    pointer = &v
-                }
-            }
-
-        case []interface{}:
-            // 键名与当前指针类型不符合，需要执行**覆盖操作**
-            if !gstr.IsNumeric(array[i]) {
+            case map[string]interface{}:
                 if i == length - 1 {
-                    *pointer = map[string]interface{}{ array[i] : value }
+                    if removed && value == nil {
+                        // 删除map元素
+                        delete((*pointer).(map[string]interface{}), array[i])
+                    } else {
+                        (*pointer).(map[string]interface{})[array[i]] = value
+                    }
                 } else {
-                    var v interface{} = make(map[string]interface{})
-                    *pointer = v
-                    pparent  = pointer
-                    pointer  = &v
+                    // 当键名不存在的情况这里会进行处理
+                    if v, ok := (*pointer).(map[string]interface{})[array[i]]; !ok {
+                        if removed && value == nil {
+                            goto done
+                        }
+                        // 创建新节点
+                        if gstr.IsNumeric(array[i + 1]) {
+                            // 创建array节点
+                            n, _ := strconv.Atoi(array[i + 1])
+                            var v interface{} = make([]interface{}, n + 1)
+                            pparent = j.setPointerWithValue(pointer, array[i], v)
+                            pointer = &v
+                        } else {
+                            // 创建map节点
+                            var v interface{} = make(map[string]interface{})
+                            pparent = j.setPointerWithValue(pointer, array[i], v)
+                            pointer = &v
+                        }
+                    } else {
+                        pparent = pointer
+                        pointer = &v
+                    }
                 }
-                continue
-            }
 
-            valn, err := strconv.Atoi(array[i])
-            if err != nil {
-                return err
-            }
-            // 叶子节点
-            if i == length - 1 {
-                if len((*pointer).([]interface{})) > valn {
-                    if removed && value == nil {
-                        // 删除数据元素
-                        j.setPointerWithValue(pparent, array[i - 1], append((*pointer).([]interface{})[ : valn], (*pointer).([]interface{})[valn + 1 : ]...))
+            case []interface{}:
+                // 键名与当前指针类型不符合，需要执行**覆盖操作**
+                if !gstr.IsNumeric(array[i]) {
+                    if i == length - 1 {
+                        *pointer = map[string]interface{}{ array[i] : value }
                     } else {
-                        (*pointer).([]interface{})[valn] = value
-                    }
-                } else {
-                    if removed && value == nil {
-                        goto done
-                    }
-                    if pparent == nil {
-                        // 表示根节点
-                        j.setPointerWithValue(pointer, array[i], value)
-                    } else {
-                        // 非根节点
-                        s := make([]interface{}, valn + 1)
-                        copy(s, (*pointer).([]interface{}))
-                        s[valn] = value
-                        j.setPointerWithValue(pparent, array[i - 1], s)
+                        var v interface{} = make(map[string]interface{})
+                        *pointer = v
+                        pparent  = pointer
+                        pointer  = &v
                     }
+                    continue
                 }
-            } else {
-                if gstr.IsNumeric(array[i + 1]) {
-                    n, _ := strconv.Atoi(array[i + 1])
+
+                valn, err := strconv.Atoi(array[i])
+                if err != nil {
+                    return err
+                }
+                // 叶子节点
+                if i == length - 1 {
                     if len((*pointer).([]interface{})) > valn {
-                        (*pointer).([]interface{})[valn] = make([]interface{}, n + 1)
-                        pparent                          = pointer
-                        pointer                          = &(*pointer).([]interface{})[valn]
+                        if removed && value == nil {
+                            // 删除数据元素
+                            j.setPointerWithValue(pparent, array[i - 1], append((*pointer).([]interface{})[ : valn], (*pointer).([]interface{})[valn + 1 : ]...))
+                        } else {
+                            (*pointer).([]interface{})[valn] = value
+                        }
                     } else {
                         if removed && value == nil {
                             goto done
                         }
-                        var v interface{} = make([]interface{}, n + 1)
+                        if pparent == nil {
+                            // 表示根节点
+                            j.setPointerWithValue(pointer, array[i], value)
+                        } else {
+                            // 非根节点
+                            s := make([]interface{}, valn + 1)
+                            copy(s, (*pointer).([]interface{}))
+                            s[valn] = value
+                            j.setPointerWithValue(pparent, array[i - 1], s)
+                        }
+                    }
+                } else {
+                    if gstr.IsNumeric(array[i + 1]) {
+                        n, _ := strconv.Atoi(array[i + 1])
+                        if len((*pointer).([]interface{})) > valn {
+                            (*pointer).([]interface{})[valn] = make([]interface{}, n + 1)
+                            pparent                          = pointer
+                            pointer                          = &(*pointer).([]interface{})[valn]
+                        } else {
+                            if removed && value == nil {
+                                goto done
+                            }
+                            var v interface{} = make([]interface{}, n + 1)
+                            pparent = j.setPointerWithValue(pointer, array[i], v)
+                            pointer = &v
+                        }
+                    } else {
+                        var v interface{} = make(map[string]interface{})
                         pparent = j.setPointerWithValue(pointer, array[i], v)
                         pointer = &v
                     }
-                } else {
-                    var v interface{} = make(map[string]interface{})
-                    pparent = j.setPointerWithValue(pointer, array[i], v)
-                    pointer = &v
                 }
-            }
 
             // 如果当前指针指向的变量不是引用类型的，
             // 那么修改变量必须通过父级进行修改，即 pparent
-        default:
-            if removed && value == nil {
-                goto done
-            }
-            if gstr.IsNumeric(array[i]) {
-                n, _    := strconv.Atoi(array[i])
-                s       := make([]interface{}, n + 1)
-                if i == length - 1 {
-                    s[n] = value
+            default:
+                if removed && value == nil {
+                    goto done
                 }
-                if pparent != nil {
-                    pparent = j.setPointerWithValue(pparent, array[i - 1], s)
-                } else {
-                    *pointer = s
-                    pparent  = pointer
-                }
-            } else {
-                var v interface{} = make(map[string]interface{})
-                if i == length - 1 {
-                    v = map[string]interface{}{
-                        array[i] : value,
+                if gstr.IsNumeric(array[i]) {
+                    n, _    := strconv.Atoi(array[i])
+                    s       := make([]interface{}, n + 1)
+                    if i == length - 1 {
+                        s[n] = value
+                    }
+                    if pparent != nil {
+                        pparent = j.setPointerWithValue(pparent, array[i - 1], s)
+                    } else {
+                        *pointer = s
+                        pparent  = pointer
                     }
-                }
-                if pparent != nil {
-                    pparent = j.setPointerWithValue(pparent, array[i - 1], v)
                 } else {
-                    *pointer = v
-                    pparent  = pointer
+                    var v interface{} = make(map[string]interface{})
+                    if i == length - 1 {
+                        v = map[string]interface{}{
+                            array[i] : value,
+                        }
+                    }
+                    if pparent != nil {
+                        pparent = j.setPointerWithValue(pparent, array[i - 1], v)
+                    } else {
+                        *pointer = v
+                        pparent  = pointer
+                    }
+                    pointer = &v
                 }
-                pointer = &v
-            }
-
         }
     }
 done:
     return nil
 }
 
-// 数据结构转换，map参数必须转换为map[string]interface{}，数组参数必须转换为[]interface{}
+// Convert <value> to map[string]interface{} or []interface{},
+// which can be supported for hierarchical data access.
 func (j *Json) convertValue(value interface{}) interface{} {
     switch value.(type) {
         case map[string]interface{}:
@@ -524,7 +543,7 @@ func (j *Json) convertValue(value interface{}) interface{} {
                 case reflect.Map:    return gconv.Map(value)
                 case reflect.Struct: return gconv.Map(value)
                 default:
-                    // 最后使用JSON编解码
+                    // Use json decode/encode at last.
                     b, _ := Encode(value)
                     v, _ := Decode(b)
                     return v
@@ -532,8 +551,8 @@ func (j *Json) convertValue(value interface{}) interface{} {
     }
 }
 
-// 用于Set方法中，对指针指向的内存地址进行赋值
-// 返回修改后的父级指针
+// Set <key>:<value> to <pointer>, the <key> may be a map key or slice index.
+// It returns the pointer to the new value set.
 func (j *Json) setPointerWithValue(pointer *interface{}, key string, value interface{}) *interface{} {
     switch (*pointer).(type) {
         case map[string]interface{}:
@@ -557,9 +576,12 @@ func (j *Json) setPointerWithValue(pointer *interface{}, key string, value inter
     return pointer
 }
 
-// 根据约定字符串方式访问json解析数据，参数形如： "items.name.first", "list.0"; 当pattern为空时，表示获取所有数据;
-// 返回的结果类型的interface{}，因此需要自己做类型转换;
-// 如果找不到对应节点的数据，返回nil;
+// Get returns value by specified <pattern>.
+// It returns all values of current Json object, if <pattern> is empty or not specified.
+// It returns nil if no value found by <pattern>.
+//
+// We can also access slice item by its index number in <pattern>,
+// eg: "items.name.first", "list.10".
 func (j *Json) Get(pattern...string) interface{} {
     j.mu.RLock()
     defer j.mu.RUnlock()
@@ -580,13 +602,14 @@ func (j *Json) Get(pattern...string) interface{} {
     return nil
 }
 
-// 判断锁给定pattern是否数据存在
+// Contains checks whether the value by specified <pattern> exist.
 func (j *Json) Contains(pattern...string) bool {
     return j.Get(pattern...) != nil
 }
 
-// 计算指定pattern的元素长度(pattern对应数据类型为map/slice时有效)。
-// 当pattern对应的数据类型非map/slice时，返回-1。
+// Len returns the length/size of the value by specified <pattern>.
+// The target value by <pattern> should be type of slice or map.
+// It returns -1 if the target value is not found, or its type is invalid.
 func (j *Json) Len(pattern string) int {
     p := j.getPointerByPattern(pattern)
     if p != nil {
@@ -602,7 +625,8 @@ func (j *Json) Len(pattern string) int {
     return -1
 }
 
-// 指定pattern追加元素
+// Append appends value to the value by specified <pattern>.
+// The target value by <pattern> should be type of slice.
 func (j *Json) Append(pattern string, value interface{}) error {
     p := j.getPointerByPattern(pattern)
     if p == nil {
@@ -615,7 +639,7 @@ func (j *Json) Append(pattern string, value interface{}) error {
     return fmt.Errorf("invalid variable type of %s", pattern)
 }
 
-// 根据pattern获取对应元素项的指针
+// Get a pointer to the value by specified <pattern>.
 func (j *Json) getPointerByPattern(pattern string) *interface{} {
     if j.vc {
         return j.getPointerByPatternWithViolenceCheck(pattern)
@@ -624,18 +648,7 @@ func (j *Json) getPointerByPattern(pattern string) *interface{} {
     }
 }
 
-// 根据pattern层级查找**变量指针**, 执行冲突检测。
-// 检索方式：例如检索 a.a.a ，值为1
-// 1. 检索 a.a.a.a 是否存在对应map的键名；
-// 2. 检索 a.a.a   是否存在对应map的键名；
-// 3. 检索 a.a     是否存在对应map的键名；
-// 4. 检索 a       是否存在对应map的键名，如果检索出这是一个map，假如为变量m1；
-// 5. 在m1中检索 a.a.a 否存在对应map的键名；
-// 6. 在m1中检索 a.a   否存在对应map的键名；
-// 7. 在m1中检索 a     否存在对应map的键名，如果检索出这是一个map，假如为变量m2；
-// 8. 在m2中检索 a.a   否存在对应map的键名；
-// 9. 在m2中检索 a     否存在对应map的键名，检索到有值，值为1；
-// 这样检索的复杂度很高，主要是为了避免键名中存在分隔符号(默认为".")的情况，避免歧义。
+// Get a pointer to the value of specified <pattern> with violence check.
 func (j *Json) getPointerByPatternWithViolenceCheck(pattern string) *interface{} {
     if !j.vc {
         return j.getPointerByPatternWithoutViolenceCheck(pattern)
@@ -661,7 +674,7 @@ func (j *Json) getPointerByPatternWithViolenceCheck(pattern string) *interface{}
                 pointer = r
             }
         } else {
-            // 查找下一个分割符号的索引位置
+            // Get the position for next separator char.
             index = strings.LastIndexByte(pattern[start:index], j.c)
             if index != -1 && length > 0 {
                 index += length + 1
@@ -674,7 +687,7 @@ func (j *Json) getPointerByPatternWithViolenceCheck(pattern string) *interface{}
     return nil
 }
 
-// 层级检索，内部不执行分隔符冲突检查，检索效率会有所提高，但是冲突需要开发者自己根据自定义的分隔符来进行解决
+// Get a pointer to the value of specified <pattern>, with no violence check.
 func (j *Json) getPointerByPatternWithoutViolenceCheck(pattern string) *interface{} {
     if j.vc {
         return j.getPointerByPatternWithViolenceCheck(pattern)
@@ -698,8 +711,8 @@ func (j *Json) getPointerByPatternWithoutViolenceCheck(pattern string) *interfac
     return nil
 }
 
-// 判断给定的key在当前的pointer下是否有值，并返回对应的pointer,
-// 注意这里返回的指针都是临时变量的内存地址
+// Check whether there's value by <key> in specified <pointer>.
+// It returns a pointer to the value.
 func (j *Json) checkPatternByPointer(key string, pointer *interface{}) *interface{} {
     switch (*pointer).(type) {
         case map[string]interface{}:
@@ -717,7 +730,8 @@ func (j *Json) checkPatternByPointer(key string, pointer *interface{}) *interfac
     return nil
 }
 
-// 转换为map[string]interface{}类型,如果转换失败，返回nil
+// ToMap converts current Json object to map[string]interface{}.
+// It returns nil if fails.
 func (j *Json) ToMap() map[string]interface{} {
     j.mu.RLock()
     defer j.mu.RUnlock()
@@ -729,15 +743,16 @@ func (j *Json) ToMap() map[string]interface{} {
     }
 }
 
-// 转换为[]interface{}类型,如果转换失败，返回nil
+// ToArray converts current Json object to []interface{}.
+// It returns nil if fails.
 func (j *Json) ToArray() []interface{} {
     j.mu.RLock()
     defer j.mu.RUnlock()
     switch (*(j.p)).(type) {
-    case []interface{}:
-        return (*(j.p)).([]interface{})
-    default:
-        return nil
+        case []interface{}:
+            return (*(j.p)).([]interface{})
+        default:
+            return nil
     }
 }
 
@@ -803,14 +818,15 @@ func (j *Json) ToTomlString() (string, error) {
     return string(b), e
 }
 
-// 转换为指定的struct对象
-func (j *Json) ToStruct(o interface{}) error {
+// ToStruct converts current Json object to specified object.
+// The <objPointer> should be a pointer type.
+func (j *Json) ToStruct(objPointer interface{}) error {
     j.mu.RLock()
     defer j.mu.RUnlock()
-    return gconv.Struct(*(j.p), o)
+    return gconv.Struct(*(j.p), objPointer)
 }
 
-// 打印Json对象
+// Dump prints current Json object with more manually readable.
 func (j *Json) Dump() error {
     j.mu.RLock()
     defer j.mu.RUnlock()
diff --git a/g/encoding/gjson/gjson_unit_load_test.go b/g/encoding/gjson/gjson_unit_load_test.go
index 40e2cd88a..7c096428e 100644
--- a/g/encoding/gjson/gjson_unit_load_test.go
+++ b/g/encoding/gjson/gjson_unit_load_test.go
@@ -69,7 +69,7 @@ func Test_Load_XML(t *testing.T) {
     })
 }
 
-func Test_Load_YAML(t *testing.T) {
+func Test_Load_YAML1(t *testing.T) {
     data := []byte(`
 a:
 - 1
@@ -104,7 +104,16 @@ m:
     })
 }
 
-func Test_Load_TOML(t *testing.T) {
+func Test_Load_YAML2(t *testing.T) {
+    data := []byte("i : 123456789")
+    gtest.Case(t, func() {
+        j, err := gjson.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("i"),   "123456789")
+    })
+}
+
+func Test_Load_TOML1(t *testing.T) {
     data := []byte(`
 a = ["1", "2", "3"]
 n = "123456789"
@@ -136,3 +145,12 @@ n = "123456789"
         gtest.Assert(j.Get("a.1"), 2)
     })
 }
+
+func Test_Load_TOML2(t *testing.T) {
+    data := []byte("i=123456789")
+    gtest.Case(t, func() {
+        j, err := gjson.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("i"),   "123456789")
+    })
+}
diff --git a/g/encoding/gjson/gjson_unit_set_test.go b/g/encoding/gjson/gjson_unit_set_test.go
index 666b8842a..caac7f7ea 100644
--- a/g/encoding/gjson/gjson_unit_set_test.go
+++ b/g/encoding/gjson/gjson_unit_set_test.go
@@ -172,7 +172,7 @@ func Test_Set10(t *testing.T) {
 
 func Test_Set11(t *testing.T) {
     e    := []byte(`{"a":{"b":{}}}`)
-    p, _ := gjson.LoadContent([]byte(`{"a":{"b":{"c":1}}}`), "json")
+    p, _ := gjson.LoadContent([]byte(`{"a":{"b":{"c":1}}}`))
     p.Remove("a.b.c")
     if c, err := p.ToJson(); err == nil {
         
diff --git a/g/encoding/gparser/gparser.go b/g/encoding/gparser/gparser.go
index 8cc086342..2e388d7ce 100644
--- a/g/encoding/gparser/gparser.go
+++ b/g/encoding/gparser/gparser.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gp.
 
-// Package gparser provides a flexible and easy way for accessing/converting variable and JSON/XML/YAML/TOML contents.
+// Package gparser provides convenient API for accessing/converting variable and JSON/XML/YAML/TOML.
 package gparser
 
 import (
@@ -16,13 +16,16 @@ type Parser struct {
     json *gjson.Json
 }
 
-// 将变量转换为Parser对象进行处理，该变量至少应当是一个map或者array，否者转换没有意义
-// value可以传递nil, 表示创建一个空的Parser对象
-func New (value interface{}, unsafe...bool) *Parser {
+// New creates a Parser object with any variable type of <data>,
+// but <data> should be a map or slice for data access reason,
+// or it will make no sense.
+// The <unsafe> param specifies whether using this Parser object
+// in un-concurrent-safe context, which is false in default.
+func New(value interface{}, unsafe...bool) *Parser {
     return &Parser{gjson.New(value, unsafe...)}
 }
 
-// 非并发安全Parser对象
+// NewUnsafe creates a un-concurrent-safe Parser object.
 func NewUnsafe (value...interface{}) *Parser {
     if len(value) > 0 {
         return &Parser{gjson.New(value[0], false)}
@@ -30,57 +33,64 @@ func NewUnsafe (value...interface{}) *Parser {
     return &Parser{gjson.New(nil, false)}
 }
 
-func Load (path string) (*Parser, error) {
-    if j, e := gjson.Load(path); e == nil {
+// Load loads content from specified file <path>,
+// and creates a Parser object from its content.
+func Load (path string, unsafe...bool) (*Parser, error) {
+    if j, e := gjson.Load(path, unsafe...); e == nil {
         return &Parser{j}, nil
     } else {
         return nil, e
     }
 }
 
-// 支持的数据内容格式：json(默认), xml, yaml/yml, toml
-func LoadContent (data []byte, dataType...string) (*Parser, error) {
-    if j, e := gjson.LoadContent(data, dataType...); e == nil {
+// LoadContent creates a Parser object from given content,
+// it checks the data type of <content> automatically,
+// supporting JSON, XML, YAML and TOML types of data.
+func LoadContent (data []byte, unsafe...bool) (*Parser, error) {
+    if j, e := gjson.LoadContent(data, unsafe...); e == nil {
         return &Parser{j}, nil
     } else {
         return nil, e
     }
 }
 
-// 设置自定义的层级分隔符号
+// SetSplitChar sets the separator char for hierarchical data access.
 func (p *Parser) SetSplitChar(char byte) {
     p.json.SetSplitChar(char)
 }
 
-// 设置是否执行层级冲突检查，当键名中存在层级符号时需要开启该特性，默认为关闭。
-// 开启比较耗性能，也不建议允许键名中存在分隔符，最好在应用端避免这种情况。
+// SetViolenceCheck enables/disables violence check for hierarchical data access.
 func (p *Parser) SetViolenceCheck(check bool) {
     p.json.SetViolenceCheck(check)
 }
 
-// 将指定的json内容转换为指定结构返回，查找失败或者转换失败，目标对象转换为nil
-// 注意第二个参数需要给的是变量地址
+// GetToVar gets the value by specified <pattern>,
+// and converts it to specified golang variable <v>.
+// The <v> should be a pointer type.
 func (p *Parser) GetToVar(pattern string, v interface{}) error {
     return p.json.GetToVar(pattern, v)
 }
 
-// 获得一个键值对关联数组/哈希表，方便操作，不需要自己做类型转换
-// 注意，如果获取的值不存在，或者类型与json类型不匹配，那么将会返回nil
+// GetMap gets the value by specified <pattern>,
+// and converts it to map[string]interface{}.
 func (p *Parser) GetMap(pattern string) map[string]interface{} {
     return p.json.GetMap(pattern)
 }
 
-// 获得一个数组[]interface{}，方便操作，不需要自己做类型转换
-// 注意，如果获取的值不存在，或者类型与json类型不匹配，那么将会返回nil
+// GetArray gets the value by specified <pattern>,
+// and converts it to a slice of []interface{}.
 func (p *Parser) GetArray(pattern string) []interface{} {
     return p.json.GetArray(pattern)
 }
 
-// 返回指定json中的string
+// GetString gets the value by specified <pattern>,
+// and converts it to string.
 func (p *Parser) GetString(pattern string) string {
     return p.json.GetString(pattern)
 }
 
+// GetStrings gets the value by specified <pattern>,
+// and converts it to a slice of []string.
 func (p *Parser) GetStrings(pattern string) []string {
     return p.json.GetStrings(pattern)
 }
@@ -97,7 +107,10 @@ func (p *Parser) GetTimeDuration(pattern string) time.Duration {
     return p.json.GetTimeDuration(pattern)
 }
 
-// 返回指定json中的bool(false:"", 0, false, off)
+// GetBool gets the value by specified <pattern>,
+// and converts it to bool.
+// It returns false when value is: "", 0, false, off, nil;
+// or returns true instead.
 func (p *Parser) GetBool(pattern string) bool {
     return p.json.GetBool(pattern)
 }
@@ -158,51 +171,60 @@ func (p *Parser) GetFloats(pattern string) []float64 {
     return p.json.GetFloats(pattern)
 }
 
-// 将指定变量转换为struct对象(对象属性赋值)
+// GetToStruct gets the value by specified <pattern>,
+// and converts it to specified object <objPointer>.
+// The <objPointer> should be the pointer to an object.
 func (p *Parser) GetToStruct(pattern string, objPointer interface{}) error {
     return p.json.GetToStruct(pattern, objPointer)
 }
 
-// 根据pattern查找并设置数据
-// 注意：写入的时候"."符号只能表示层级，不能使用带"."符号的键名
+// Set sets value with specified <pattern>.
+// It supports hierarchical data access by char separator, which is '.' in default.
 func (p *Parser) Set(pattern string, value interface{}) error {
     return p.json.Set(pattern, value)
 }
 
-// 计算指定pattern的元素长度(pattern对应数据类型为map[string]interface{}/[]interface{}时有效)
+// Len returns the length/size of the value by specified <pattern>.
+// The target value by <pattern> should be type of slice or map.
+// It returns -1 if the target value is not found, or its type is invalid.
 func (p *Parser) Len(pattern string) int {
     return p.json.Len(pattern)
 }
 
-// 指定pattern追加元素
+// Append appends value to the value by specified <pattern>.
+// The target value by <pattern> should be type of slice.
 func (p *Parser) Append(pattern string, value interface{}) error {
     return p.json.Append(pattern, value)
 }
 
-// 动态删除变量节点
+// Remove deletes value with specified <pattern>.
+// It supports hierarchical data access by char separator, which is '.' in default.
 func (p *Parser) Remove(pattern string) error {
     return p.json.Remove(pattern)
 }
 
-// 根据约定字符串方式访问json解析数据，参数形如： "items.name.first", "list.0"; 当pattern为空时，表示获取所有数据
-// 返回的结果类型的interface{}，因此需要自己做类型转换;
-// 如果找不到对应节点的数据，返回nil;
+// Get returns value by specified <pattern>.
+// It returns all values of current Json object, if <pattern> is empty or not specified.
+// It returns nil if no value found by <pattern>.
+//
+// We can also access slice item by its index number in <pattern>,
+// eg: "items.name.first", "list.10".
 func (p *Parser) Get(pattern...string) interface{} {
     return p.json.Get(pattern...)
 }
 
-// 转换为map[string]interface{}类型,如果转换失败，返回nil
+// ToMap converts current object values to map[string]interface{}.
+// It returns nil if fails.
 func (p *Parser) ToMap() map[string]interface{} {
     return p.json.ToMap()
 }
 
-// 转换为[]interface{}类型,如果转换失败，返回nil
+// ToArray converts current object values to []interface{}.
+// It returns nil if fails.
 func (p *Parser) ToArray() []interface{} {
     return p.json.ToArray()
 }
 
-/* 以下为数据文件格式转换，支持类型：xml, json, yaml/yml, toml */
-
 func (p *Parser) ToXml(rootTag...string) ([]byte, error) {
     return p.json.ToXml(rootTag...)
 }
@@ -227,12 +249,13 @@ func (p *Parser) ToToml() ([]byte, error) {
     return p.json.ToToml()
 }
 
-// 打印Json对象
+// Dump prints current Json object with more manually readable.
 func (p *Parser) Dump() error {
     return p.json.Dump()
 }
 
-// 将变量解析为对应的struct对象，注意传递的参数为struct对象指针
+// ToStruct converts current Json object to specified object.
+// The <objPointer> should be a pointer type.
 func (p *Parser) ToStruct(o interface{}) error {
     return p.json.ToStruct(o)
 }
@@ -261,7 +284,6 @@ func VarToToml(value interface{}) ([]byte, error) {
     return New(value).ToToml()
 }
 
-// 将变量解析为对应的struct对象，注意传递的参数为struct对象指针
 func VarToStruct(value interface{}, obj interface{}) error {
     return New(value).ToStruct(obj)
 }
diff --git a/g/encoding/gparser/gparser_unit_basic_test.go b/g/encoding/gparser/gparser_unit_basic_test.go
new file mode 100644
index 000000000..bf7067753
--- /dev/null
+++ b/g/encoding/gparser/gparser_unit_basic_test.go
@@ -0,0 +1,208 @@
+// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gparser_test
+
+import (
+    "github.com/gogf/gf/g"
+    "github.com/gogf/gf/g/encoding/gparser"
+    "github.com/gogf/gf/g/test/gtest"
+    "testing"
+)
+
+func Test_New(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.Assert(j.Get("n"), "123456789")
+        gtest.Assert(j.Get("m"), g.Map{"k" : "v"})
+        gtest.Assert(j.Get("a"), g.Slice{1, 2, 3})
+    })
+}
+
+func Test_NewUnsafe(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.NewUnsafe(data)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+}
+
+func Test_Encode(t *testing.T) {
+    value := g.Slice{1, 2, 3}
+    gtest.Case(t, func() {
+        b, err := gparser.VarToJson(value)
+        gtest.Assert(err, nil)
+        gtest.Assert(b,   []byte(`[1,2,3]`))
+    })
+}
+
+func Test_Decode(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+}
+
+func Test_SplitChar(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        j.SetSplitChar(byte('#'))
+        gtest.AssertNE(j, nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m#k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a#1"), 2)
+    })
+}
+
+func Test_ViolenceCheck(t *testing.T) {
+    data := []byte(`{"m":{"a":[1,2,3], "v1.v2":"4"}}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.Assert(j.Get("m.a.2"),   3)
+        gtest.Assert(j.Get("m.v1.v2"), nil)
+        j.SetViolenceCheck(true)
+        gtest.Assert(j.Get("m.v1.v2"), 4)
+    })
+}
+
+func Test_GetToVar(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        var m map[string]string
+        var n int
+        var a []int
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+
+        j.GetToVar("n", &n)
+        j.GetToVar("m", &m)
+        j.GetToVar("a", &a)
+
+        gtest.Assert(n, "123456789")
+        gtest.Assert(m, g.Map{"k" : "v"})
+        gtest.Assert(a, g.Slice{1, 2, 3})
+    })
+}
+
+func Test_GetMap(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.Assert(j.GetMap("n"), g.Map{})
+        gtest.Assert(j.GetMap("m"), g.Map{"k" : "v"})
+        gtest.Assert(j.GetMap("a"), g.Map{})
+    })
+}
+
+func Test_GetArray(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.Assert(j.GetArray("n"), g.Array{123456789})
+        gtest.Assert(j.GetArray("m"), g.Array{g.Map{"k":"v"}})
+        gtest.Assert(j.GetArray("a"), g.Array{1,2,3})
+    })
+}
+
+func Test_GetString(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.AssertEQ(j.GetString("n"), "123456789")
+        gtest.AssertEQ(j.GetString("m"), `{"k":"v"}`)
+        gtest.AssertEQ(j.GetString("a"), `[1,2,3]`)
+        gtest.AssertEQ(j.GetString("i"), "")
+    })
+}
+
+func Test_GetStrings(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.AssertEQ(j.GetStrings("n"), g.SliceStr{"123456789"})
+        gtest.AssertEQ(j.GetStrings("m"), g.SliceStr{`{"k":"v"}`})
+        gtest.AssertEQ(j.GetStrings("a"), g.SliceStr{"1", "2", "3"})
+        gtest.AssertEQ(j.GetStrings("i"), g.SliceStr{})
+    })
+}
+
+func Test_GetInterfaces(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    gtest.Case(t, func() {
+        j := gparser.New(data)
+        gtest.AssertNE(j, nil)
+        gtest.AssertEQ(j.GetInterfaces("n"), g.Array{123456789})
+        gtest.AssertEQ(j.GetInterfaces("m"), g.Array{g.Map{"k":"v"}})
+        gtest.AssertEQ(j.GetInterfaces("a"), g.Array{1,2,3})
+    })
+}
+
+func Test_Len(t *testing.T) {
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Append("a", 1)
+        p.Append("a", 2)
+        gtest.Assert(p.Len("a"), 2)
+    })
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Append("a.b", 1)
+        p.Append("a.c", 2)
+        gtest.Assert(p.Len("a"), 2)
+    })
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Set("a", 1)
+        gtest.Assert(p.Len("a"), -1)
+    })
+}
+
+func Test_Append(t *testing.T) {
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Append("a", 1)
+        p.Append("a", 2)
+        gtest.Assert(p.Get("a"), g.Slice{1, 2})
+    })
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Append("a.b", 1)
+        p.Append("a.c", 2)
+        gtest.Assert(p.Get("a"), g.Map{
+            "b" : g.Slice{1},
+            "c" : g.Slice{2},
+        })
+    })
+    gtest.Case(t, func() {
+        p := gparser.New(nil)
+        p.Set("a", 1)
+        err := p.Append("a", 2)
+        gtest.AssertNE(err, nil)
+        gtest.Assert(p.Get("a"), 1)
+    })
+}
+
+
+
diff --git a/g/encoding/gparser/gparser_unit_load_test.go b/g/encoding/gparser/gparser_unit_load_test.go
new file mode 100644
index 000000000..930693a72
--- /dev/null
+++ b/g/encoding/gparser/gparser_unit_load_test.go
@@ -0,0 +1,156 @@
+// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gparser_test
+
+import (
+    "github.com/gogf/gf/g"
+    "github.com/gogf/gf/g/encoding/gparser"
+    "github.com/gogf/gf/g/os/gfile"
+    "github.com/gogf/gf/g/test/gtest"
+    "testing"
+)
+
+
+func Test_Load_JSON(t *testing.T) {
+    data := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+    // JSON
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err,        nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+    // JSON
+    gtest.Case(t, func() {
+        path := "test.json"
+        gfile.PutBinContents(path, data)
+        defer gfile.Remove(path)
+        j, err := gparser.Load(path)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+}
+
+func Test_Load_XML(t *testing.T) {
+    data := []byte(`<doc><a>1</a><a>2</a><a>3</a><m><k>v</k></m><n>123456789</n></doc>`)
+    // XML
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err, nil)
+        gtest.Assert(j.Get("doc.n"),   "123456789")
+        gtest.Assert(j.Get("doc.m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("doc.m.k"), "v")
+        gtest.Assert(j.Get("doc.a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("doc.a.1"), 2)
+    })
+    // XML
+    gtest.Case(t, func() {
+        path := "test.xml"
+        gfile.PutBinContents(path, data)
+        defer gfile.Remove(path)
+        j, err := gparser.Load(path)
+        gtest.Assert(err, nil)
+        gtest.Assert(j.Get("doc.n"),   "123456789")
+        gtest.Assert(j.Get("doc.m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("doc.m.k"), "v")
+        gtest.Assert(j.Get("doc.a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("doc.a.1"), 2)
+    })
+}
+
+func Test_Load_YAML1(t *testing.T) {
+    data := []byte(`
+a:
+- 1
+- 2
+- 3
+m:
+ k: v
+"n": 123456789
+    `)
+    // YAML
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+    // YAML
+    gtest.Case(t, func() {
+        path := "test.yaml"
+        gfile.PutBinContents(path, data)
+        defer gfile.Remove(path)
+        j, err := gparser.Load(path)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+}
+
+func Test_Load_YAML2(t *testing.T) {
+    data := []byte("i : 123456789")
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("i"),   "123456789")
+    })
+}
+
+func Test_Load_TOML1(t *testing.T) {
+    data := []byte(`
+a = ["1", "2", "3"]
+n = "123456789"
+
+[m]
+  k = "v"
+`)
+    // TOML
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+    // TOML
+    gtest.Case(t, func() {
+        path := "test.toml"
+        gfile.PutBinContents(path, data)
+        defer gfile.Remove(path)
+        j, err := gparser.Load(path)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("n"),   "123456789")
+        gtest.Assert(j.Get("m"),   g.Map{"k" : "v"})
+        gtest.Assert(j.Get("m.k"), "v")
+        gtest.Assert(j.Get("a"),   g.Slice{1, 2, 3})
+        gtest.Assert(j.Get("a.1"), 2)
+    })
+}
+
+func Test_Load_TOML2(t *testing.T) {
+    data := []byte("i=123456789")
+    gtest.Case(t, func() {
+        j, err := gparser.LoadContent(data)
+        gtest.Assert(err,          nil)
+        gtest.Assert(j.Get("i"),   "123456789")
+    })
+}
diff --git a/g/encoding/gparser/gparser_test.go b/g/encoding/gparser/gparser_unit_set_test.go
similarity index 92%
rename from g/encoding/gparser/gparser_test.go
rename to g/encoding/gparser/gparser_unit_set_test.go
index 8ce1c8822..2b1d5f532 100644
--- a/g/encoding/gparser/gparser_test.go
+++ b/g/encoding/gparser/gparser_unit_set_test.go
@@ -4,8 +4,6 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://github.com/gogf/gf.
 
-// 单元测试
-
 package gparser_test
 
 import (
@@ -22,7 +20,6 @@ func Test_Set1(t *testing.T) {
     })
     p.Set("k1.k11", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, []byte(`{"k1":{"k11":[1,2,3]},"k2":"v2"}`)) != 0 {
             t.Error("expect:", string(e))
         }
@@ -36,7 +33,6 @@ func Test_Set2(t *testing.T) {
     p := gparser.New([]string{"a"})
     p.Set("0.1", 1)
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -48,11 +44,10 @@ func Test_Set2(t *testing.T) {
 func Test_Set3(t *testing.T) {
     e := []byte(`{"kv":{"k1":"v1"}}`)
     p := gparser.New([]string{"a"})
-    p.Set("kv", map[string]string{
+    p.Set("kv", map[string]string {
         "k1" : "v1",
     })
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -68,7 +63,6 @@ func Test_Set4(t *testing.T) {
         "k1" : "v1",
     })
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -82,7 +76,6 @@ func Test_Set5(t *testing.T) {
     p := gparser.New([]string{"a"})
     p.Set("0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -96,7 +89,6 @@ func Test_Set6(t *testing.T) {
     p := gparser.New([]string{"a"})
     p.Set("1", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -113,7 +105,6 @@ func Test_Set7(t *testing.T) {
     })
     p.Set("0.1", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -130,7 +121,6 @@ func Test_Set8(t *testing.T) {
     })
     p.Set("0.0.0.0.0.0.1", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -147,7 +137,6 @@ func Test_Set9(t *testing.T) {
     })
     p.Set("k1.1", []int{1,2,3})
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -162,7 +151,6 @@ func Test_Set10(t *testing.T) {
     p := gparser.New(nil)
     p.Set("a.b.c", 1)
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -174,10 +162,9 @@ func Test_Set10(t *testing.T) {
 
 func Test_Set11(t *testing.T) {
     e    := []byte(`{"a":{"b":{}}}`)
-    p, _ := gparser.LoadContent([]byte(`{"a":{"b":{"c":1}}}`), "json")
+    p, _ := gparser.LoadContent([]byte(`{"a":{"b":{"c":1}}}`))
     p.Remove("a.b.c")
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -192,7 +179,6 @@ func Test_Set12(t *testing.T) {
     p.Set("0", 0)
     p.Set("1", 1)
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -207,7 +193,6 @@ func Test_Set13(t *testing.T) {
     p.Set("array.0", 0)
     p.Set("array.1", 1)
     if c, err := p.ToJson(); err == nil {
-        
         if bytes.Compare(c, e) != 0 {
             t.Error("expect:", string(e))
         }
@@ -216,7 +201,16 @@ func Test_Set13(t *testing.T) {
     }
 }
 
-
-
-
-
+func Test_Set14(t *testing.T) {
+    e := []byte(`{"f":{"a":1}}`)
+    p := gparser.New(nil)
+    p.Set("f",   "m")
+    p.Set("f.a", 1)
+    if c, err := p.ToJson(); err == nil {
+        if bytes.Compare(c, e) != 0 {
+            t.Error("expect:", string(e))
+        }
+    } else {
+        t.Error(err)
+    }
+}
diff --git a/g/net/ghttp/ghttp_server_admin_process.go b/g/net/ghttp/ghttp_server_admin_process.go
index 376935344..70865c4d1 100644
--- a/g/net/ghttp/ghttp_server_admin_process.go
+++ b/g/net/ghttp/ghttp_server_admin_process.go
@@ -168,7 +168,7 @@ func getServerFdMap() map[string]listenerFdMap {
 func bufferToServerFdMap(buffer []byte) map[string]listenerFdMap {
     sfm := make(map[string]listenerFdMap)
     if len(buffer) > 0 {
-        j, _ := gjson.LoadContent(buffer, "json")
+        j, _ := gjson.LoadContent(buffer)
         for k, _ := range j.ToMap() {
             m := make(map[string]string)
             for k, v := range j.GetMap(k) {