diff --git a/g/encoding/gjson/gjson.go b/g/encoding/gjson/gjson.go
index b504d462c..4ec3d80fc 100644
--- a/g/encoding/gjson/gjson.go
+++ b/g/encoding/gjson/gjson.go
@@ -21,6 +21,8 @@ import (
     "gitee.com/johng/gf/g/util/gstr"
     "time"
     "gitee.com/johng/gf/g/encoding/gjson/internal/rwmutex"
+    "fmt"
+    "github.com/pkg/errors"
 )
 
 const (
@@ -73,6 +75,14 @@ func New(value interface{}, safe...bool) *Json {
     return j
 }
 
+// 创建一个非并发安全的Json对象
+func NewUnsafe(value...interface{}) *Json {
+    if len(value) > 0 {
+        return New(value[0], false)
+    }
+    return New(nil, false)
+}
+
 // 编码go变量为json字符串，并返回json字符串指针
 func Encode (v interface{}) ([]byte, error) {
     return json.Marshal(v)
@@ -508,6 +518,18 @@ func (j *Json) Get(pattern...string) interface{} {
     return nil
 }
 
+// 指定pattern追加元素
+func (j *Json) Append(pattern string, value interface{}) error {
+    p := j.getPointerByPattern(pattern)
+    switch t := (*p).(type) {
+        case []interface{}:
+            *p = append((*p).([]interface{}), value)
+            return nil
+        default:
+            return errors.New(fmt.Sprintf("invalid type '%s' to append", t))
+    }
+}
+
 // 根据pattern层级查找**变量指针**
 // 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；
@@ -656,4 +678,16 @@ func (j *Json) ToStruct(o interface{}) error {
     j.mu.RLock()
     defer j.mu.RUnlock()
     return gconv.MapToStruct(j.ToMap(), o)
+}
+
+// 打印Json对象
+func (j *Json) Dump() error {
+    j.mu.RLock()
+    defer j.mu.RUnlock()
+    if b, err := j.ToJsonIndent(); err != nil {
+        return err
+    } else {
+        fmt.Println(string(b))
+    }
+    return nil
 }
\ No newline at end of file
diff --git a/g/util/gconv/gconv.go b/g/util/gconv/gconv.go
index 0dbd8dd76..f33b56974 100644
--- a/g/util/gconv/gconv.go
+++ b/g/util/gconv/gconv.go
@@ -111,18 +111,71 @@ func String(i interface{}) string {
     }
 }
 
+// 任意类型转换为[]int类型
+func Ints(i interface{}) []int {
+    return nil
+    if i == nil {
+        return nil
+    }
+    if r, ok := i.([]int); ok {
+        return r
+    } else {
+        switch i.(type) {
+            case []int8, []int16, []int32,  []int64,
+                 []uint, []uint8, []uint16, []uint32, []uint64,
+                 []bool, []string,
+                 []float32, []float64:
+                array := make([]int, len(r))
+                for k, v := range r {
+                    array[k] = Int(v)
+                }
+                return array
+        }
+    }
+    return []int{Int(i)}
+}
+
+// 任意类型转换为[]uint类型
+func Uints(i interface{}) []uint {
+    return nil
+    if i == nil {
+        return nil
+    }
+    if r, ok := i.([]uint); ok {
+        return r
+    } else {
+        switch i.(type) {
+            case []int,  []int8, []int16, []int32,  []int64, []uint8, []uint16, []uint32, []uint64,
+                 []bool, []string, []float32, []float64:
+                array := make([]uint, len(r))
+                for k, v := range r {
+                    array[k] = Uint(v)
+                }
+                return array
+            }
+    }
+    return []uint{Uint(i)}
+}
+
+// 任意类型转换为[]string类型
 func Strings(i interface{}) []string {
+    return nil
     if i == nil {
         return nil
     }
     if r, ok := i.([]string); ok {
         return r
-    } else if r, ok := i.([]interface{}); ok {
-        strs := make([]string, len(r))
-        for k, v := range r {
-            strs[k] = String(v)
+    } else {
+        switch i.(type) {
+            case []int,  []int8,  []int16,  []int32,  []int64,
+                 []uint, []uint8, []uint16, []uint32, []uint64,
+                 []bool, []float32, []float64:
+                array := make([]string, len(r))
+                for k, v := range r {
+                    array[k] = String(v)
+                }
+                return array
         }
-        return strs
     }
     return []string{fmt.Sprintf("%v", i)}
 }
diff --git a/g/util/gutil/gutil.go b/g/util/gutil/gutil.go
index d40935fff..7e7490979 100644
--- a/g/util/gutil/gutil.go
+++ b/g/util/gutil/gutil.go
@@ -9,23 +9,27 @@ package gutil
 
 import (
     "fmt"
-    "encoding/json"
     "bytes"
+    "encoding/json"
 )
 
 // 格式化打印变量(类似于PHP-vardump)
 func Dump(i...interface{}) {
     for _, v := range i {
-        buffer  := &bytes.Buffer{}
-        encoder := json.NewEncoder(buffer)
-        encoder.SetEscapeHTML(false)
-        encoder.SetIndent("", "\t")
-        if err := encoder.Encode(v); err == nil {
-            fmt.Print(buffer.String())
+        if b, ok := v.([]byte); ok {
+            fmt.Print(string(b))
         } else {
-            fmt.Errorf("%s", err.Error())
+            buffer  := &bytes.Buffer{}
+            encoder := json.NewEncoder(buffer)
+            encoder.SetEscapeHTML(false)
+            encoder.SetIndent("", "\t")
+            if err := encoder.Encode(v); err == nil {
+                fmt.Print(buffer.String())
+            } else {
+                fmt.Errorf("%s", err.Error())
+            }
         }
+        fmt.Println()
     }
-    fmt.Println()
 }
 
diff --git a/geg/other/test2.go b/geg/other/test2.go
index fa943700f..534c64e0f 100644
--- a/geg/other/test2.go
+++ b/geg/other/test2.go
@@ -1,11 +1,13 @@
 package main
 
 import (
-    "gitee.com/johng/gf/g/util/gutil"
-    "gitee.com/johng/gf/g/os/gfile"
+    "gitee.com/johng/gf/g/encoding/gjson"
 )
 
 func main() {
-	gutil.Dump(gfile.ScanDir("/tmp", "*test*"))
-	gutil.Dump(gfile.Glob("/tmp/*", true))
+	j := gjson.NewUnsafe([]int{1,2,3})
+    j.Append("", 4)
+    j.Append("", "abc")
+    j.Dump()
+
 }
\ No newline at end of file