diff --git a/.example/other/test.go b/.example/other/test.go
index 8bf62b87b..00261b0cf 100644
--- a/.example/other/test.go
+++ b/.example/other/test.go
@@ -1,13 +1,9 @@
 package main
 
 import (
-	"fmt"
-	"github.com/gogf/gf/util/grand"
+	"github.com/gogf/gf/frame/g"
 )
 
 func main() {
-	s := "我爱GoFrame"
-	for i := 0; i <= 10; i++ {
-		fmt.Println(grand.Str(s, 10))
-	}
+	g.Cfg().Dump()
 }
diff --git a/database/gdb/gdb_mssql.go b/database/gdb/gdb_mssql.go
index f838b7902..30abd729f 100644
--- a/database/gdb/gdb_mssql.go
+++ b/database/gdb/gdb_mssql.go
@@ -14,6 +14,7 @@ package gdb
 import (
 	"database/sql"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"github.com/gogf/gf/text/gstr"
 	"strconv"
 	"strings"
@@ -35,6 +36,7 @@ func (db *dbMssql) Open(config *ConfigNode) (*sql.DB, error) {
 			config.User, config.Pass, config.Host, config.Port, config.Name,
 		)
 	}
+	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("sqlserver", source); err == nil {
 		return db, nil
 	} else {
diff --git a/database/gdb/gdb_mysql.go b/database/gdb/gdb_mysql.go
index 9d79b6b45..6cef24755 100644
--- a/database/gdb/gdb_mysql.go
+++ b/database/gdb/gdb_mysql.go
@@ -9,6 +9,7 @@ package gdb
 import (
 	"database/sql"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 
 	_ "github.com/gf-third/mysql"
 )
@@ -28,6 +29,7 @@ func (db *dbMysql) Open(config *ConfigNode) (*sql.DB, error) {
 			config.User, config.Pass, config.Host, config.Port, config.Name, config.Charset,
 		)
 	}
+	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("gf-mysql", source); err == nil {
 		return db, nil
 	} else {
diff --git a/database/gdb/gdb_oracle.go b/database/gdb/gdb_oracle.go
index 23e79f121..05479292a 100644
--- a/database/gdb/gdb_oracle.go
+++ b/database/gdb/gdb_oracle.go
@@ -15,6 +15,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"github.com/gogf/gf/text/gstr"
 	"reflect"
 	"strconv"
@@ -39,6 +40,7 @@ func (db *dbOracle) Open(config *ConfigNode) (*sql.DB, error) {
 	} else {
 		source = fmt.Sprintf("%s/%s@%s", config.User, config.Pass, config.Name)
 	}
+	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("oci8", source); err == nil {
 		return db, nil
 	} else {
diff --git a/database/gdb/gdb_pgsql.go b/database/gdb/gdb_pgsql.go
index 705edcb9f..04b57727b 100644
--- a/database/gdb/gdb_pgsql.go
+++ b/database/gdb/gdb_pgsql.go
@@ -14,6 +14,7 @@ package gdb
 import (
 	"database/sql"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"github.com/gogf/gf/text/gstr"
 	"strings"
 
@@ -34,6 +35,7 @@ func (db *dbPgsql) Open(config *ConfigNode) (*sql.DB, error) {
 			config.User, config.Pass, config.Host, config.Port, config.Name,
 		)
 	}
+	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("postgres", source); err == nil {
 		return db, nil
 	} else {
diff --git a/database/gdb/gdb_sqlite.go b/database/gdb/gdb_sqlite.go
index b121953cc..9b44f73f0 100644
--- a/database/gdb/gdb_sqlite.go
+++ b/database/gdb/gdb_sqlite.go
@@ -12,6 +12,7 @@ package gdb
 
 import (
 	"database/sql"
+	"github.com/gogf/gf/internal/intlog"
 	"github.com/gogf/gf/text/gstr"
 )
 
@@ -26,6 +27,7 @@ func (db *dbSqlite) Open(config *ConfigNode) (*sql.DB, error) {
 	} else {
 		source = config.Name
 	}
+	intlog.Printf("Open: %s", source)
 	if db, err := sql.Open("sqlite3", source); err == nil {
 		return db, nil
 	} else {
diff --git a/database/gredis/gredis_config.go b/database/gredis/gredis_config.go
index 65a799ee5..eab96d73d 100644
--- a/database/gredis/gredis_config.go
+++ b/database/gredis/gredis_config.go
@@ -7,6 +7,7 @@
 package gredis
 
 import (
+	"github.com/gogf/gf/internal/intlog"
 	"time"
 
 	"github.com/gogf/gf/errors/gerror"
@@ -36,6 +37,8 @@ func SetConfig(config Config, name ...string) {
 	}
 	configs.Set(group, config)
 	instances.Remove(group)
+
+	intlog.Printf(`SetConfig for group "%s": %+v`, group, config)
 }
 
 // SetConfigByStr sets the global configuration for specified group with string.
@@ -76,6 +79,8 @@ func RemoveConfig(name ...string) {
 	}
 	configs.Remove(group)
 	instances.Remove(group)
+
+	intlog.Printf(`RemoveConfig: %s`, group)
 }
 
 // ConfigFromStr parses and returns config from given str.
diff --git a/frame/gmvc/controller.go b/frame/gmvc/controller.go
index 48cc47d92..678edb3be 100644
--- a/frame/gmvc/controller.go
+++ b/frame/gmvc/controller.go
@@ -11,17 +11,17 @@ import (
 	"github.com/gogf/gf/net/ghttp"
 )
 
-// 控制器基类
+// Controller is used for controller register of ghttp.Server.
 type Controller struct {
-	Request  *ghttp.Request  // 请求数据对象
-	Response *ghttp.Response // 返回数据对象(r.Response)
-	Server   *ghttp.Server   // Web Server对象(r.Server)
-	Cookie   *ghttp.Cookie   // COOKIE操作对象(r.Cookie)
-	Session  *ghttp.Session  // SESSION操作对象
-	View     *View           // 视图对象
+	Request  *ghttp.Request
+	Response *ghttp.Response
+	Server   *ghttp.Server
+	Cookie   *ghttp.Cookie
+	Session  *ghttp.Session
+	View     *View
 }
 
-// 控制器初始化接口方法
+// Init is the callback function for each request initialization.
 func (c *Controller) Init(r *ghttp.Request) {
 	c.Request = r
 	c.Response = r.Response
@@ -31,12 +31,12 @@ func (c *Controller) Init(r *ghttp.Request) {
 	c.Session = r.Session
 }
 
-// 控制器结束请求接口方法
+// Shut is the callback function for each request close.
 func (c *Controller) Shut() {
 
 }
 
-// 退出请求执行
+// Exit equals to function Request.Exit().
 func (c *Controller) Exit() {
 	c.Request.Exit()
 }
diff --git a/frame/gmvc/model.go b/frame/gmvc/model.go
index afc8a72f5..870ec79da 100644
--- a/frame/gmvc/model.go
+++ b/frame/gmvc/model.go
@@ -7,5 +7,4 @@
 package gmvc
 
 // Model is the base struct for model.
-type Model struct {
-}
+type Model struct{}
diff --git a/frame/gmvc/view.go b/frame/gmvc/view.go
index f28f68fce..b4e35bc71 100644
--- a/frame/gmvc/view.go
+++ b/frame/gmvc/view.go
@@ -16,15 +16,17 @@ import (
 	"github.com/gogf/gf/os/gview"
 )
 
-// 基于控制器注册的MVC视图基类(一个请求一个视图对象，用完即销毁)
+// View is the view object for controller.
+// It's initialized when controller request initializes and destroyed
+// when the controller request closes.
 type View struct {
-	mu       sync.RWMutex    // 并发互斥锁
-	view     *gview.View     // 底层视图对象
-	data     gview.Params    // 视图数据/模板变量
-	response *ghttp.Response // 数据返回对象
+	mu       sync.RWMutex
+	view     *gview.View
+	data     gview.Params
+	response *ghttp.Response
 }
 
-// 创建一个MVC请求中使用的视图对象
+// NewView creates and returns a controller view object.
 func NewView(w *ghttp.Response) *View {
 	return &View{
 		view:     gins.View(),
@@ -33,7 +35,7 @@ func NewView(w *ghttp.Response) *View {
 	}
 }
 
-// 批量绑定模板变量，即调用之后每个线程都会生效，因此有并发安全控制
+// Assigns assigns template variables to this view object.
 func (view *View) Assigns(data gview.Params) {
 	view.mu.Lock()
 	for k, v := range data {
@@ -42,14 +44,15 @@ func (view *View) Assigns(data gview.Params) {
 	view.mu.Unlock()
 }
 
-// 绑定模板变量，即调用之后每个线程都会生效，因此有并发安全控制
+// Assign assigns one template variable to this view object.
 func (view *View) Assign(key string, value interface{}) {
 	view.mu.Lock()
 	view.data[key] = value
 	view.mu.Unlock()
 }
 
-// 解析模板，并返回解析后的内容
+// Parse parses given template file <tpl> with assigned template variables
+// and returns the parsed template content.
 func (view *View) Parse(file string) (string, error) {
 	view.mu.RLock()
 	defer view.mu.RUnlock()
@@ -57,7 +60,8 @@ func (view *View) Parse(file string) (string, error) {
 	return buffer, err
 }
 
-// 直接解析模板内容，并返回解析后的内容
+// ParseContent parses given template file <file> with assigned template variables
+// and returns the parsed template content.
 func (view *View) ParseContent(content string) (string, error) {
 	view.mu.RLock()
 	defer view.mu.RUnlock()
@@ -65,14 +69,14 @@ func (view *View) ParseContent(content string) (string, error) {
 	return buffer, err
 }
 
-// 使用自定义方法对模板变量执行加锁修改操作
+// LockFunc locks writing for template variables by callback function <f>.
 func (view *View) LockFunc(f func(data gview.Params)) {
 	view.mu.Lock()
 	defer view.mu.Unlock()
 	f(view.data)
 }
 
-// 使用自定义方法对模板变量执行加锁读取操作
+// LockFunc locks reading for template variables by callback function <f>.
 func (view *View) RLockFunc(f func(data gview.Params)) {
 	view.mu.RLock()
 	defer view.mu.RUnlock()
@@ -93,7 +97,7 @@ func (view *View) BindFuncMap(funcMap gview.FuncMap) {
 	view.view.BindFuncMap(funcMap)
 }
 
-// 解析并显示指定模板
+// Display parses and writes the parsed template file content to http response.
 func (view *View) Display(file ...string) error {
 	name := "index.tpl"
 	if len(file) > 0 {
@@ -110,7 +114,7 @@ func (view *View) Display(file ...string) error {
 	return nil
 }
 
-// 解析并显示模板内容
+// DisplayContent parses and writes the parsed content to http response.
 func (view *View) DisplayContent(content string) error {
 	if content, err := view.ParseContent(content); err != nil {
 		if !gmode.IsProduct() {
diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index c89f29698..b6126fac6 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -11,8 +11,6 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gogf/gf/debug/gdebug"
-	"github.com/gogf/gf/internal/intlog"
-	"github.com/gogf/gf/util/gutil"
 	"net/http"
 	"os"
 	"reflect"
@@ -340,10 +338,6 @@ func (s *Server) Start() error {
 			}
 		})
 	}
-	if intlog.IsGFDebug() {
-		intlog.Print("server configuration:")
-		gutil.Dump(s.config)
-	}
 	s.dumpRouterMap()
 	return nil
 }
diff --git a/net/ghttp/ghttp_server_config.go b/net/ghttp/ghttp_server_config.go
index 54fcbae86..074c57240 100644
--- a/net/ghttp/ghttp_server_config.go
+++ b/net/ghttp/ghttp_server_config.go
@@ -9,6 +9,7 @@ package ghttp
 import (
 	"crypto/tls"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"net/http"
 	"strconv"
 	"time"
@@ -151,6 +152,8 @@ func (s *Server) SetConfig(c ServerConfig) error {
 		s.EnableHTTPS(c.HTTPSCertPath, c.HTTPSKeyPath)
 	}
 	SetGraceful(c.Graceful)
+
+	intlog.Printf("SetConfig: %+v", s.config)
 	return nil
 }
 
diff --git a/os/gbuild/gbuild.go b/os/gbuild/gbuild.go
index c0c1f0f81..577e1b739 100644
--- a/os/gbuild/gbuild.go
+++ b/os/gbuild/gbuild.go
@@ -30,6 +30,9 @@ func init() {
 		}
 		builtInVarMap["gfVersion"] = gf.VERSION
 		builtInVarMap["goVersion"] = runtime.Version()
+		intlog.Printf("build variables: %+v", builtInVarMap)
+	} else {
+		intlog.Print("no build variables")
 	}
 }
 
diff --git a/os/gcfg/gcfg_config.go b/os/gcfg/gcfg_config.go
index b33087ea4..67ef69541 100644
--- a/os/gcfg/gcfg_config.go
+++ b/os/gcfg/gcfg_config.go
@@ -6,7 +6,10 @@
 
 package gcfg
 
-import "github.com/gogf/gf/container/gmap"
+import (
+	"github.com/gogf/gf/container/gmap"
+	"github.com/gogf/gf/internal/intlog"
+)
 
 var (
 	// Customized configuration content.
@@ -41,9 +44,9 @@ func GetContent(file ...string) string {
 	return configs.Get(name)
 }
 
-// RemoveConfig removes the global configuration with specified <file>.
+// RemoveContent removes the global configuration with specified <file>.
 // If <name> is not passed, it removes configuration of the default group name.
-func RemoveConfig(file ...string) {
+func RemoveContent(file ...string) {
 	name := DEFAULT_CONFIG_FILE
 	if len(file) > 0 {
 		name = file[0]
@@ -57,6 +60,8 @@ func RemoveConfig(file ...string) {
 			configs.Remove(name)
 		}
 	})
+
+	intlog.Printf(`RemoveContent: %s`, name)
 }
 
 // ClearContent removes all global configuration contents.
@@ -68,4 +73,6 @@ func ClearContent() {
 			v.(*Config).jsons.Clear()
 		}
 	})
+
+	intlog.Print(`RemoveConfig`)
 }
diff --git a/os/gcfg/gcfg_z_unit_test.go b/os/gcfg/gcfg_z_unit_test.go
index 0c2d6c3df..5df2a0066 100644
--- a/os/gcfg/gcfg_z_unit_test.go
+++ b/os/gcfg/gcfg_z_unit_test.go
@@ -428,7 +428,7 @@ func TestCfg_Config(t *testing.T) {
 		gtest.Assert(gcfg.GetContent("config.yml"), "gf")
 		gcfg.SetContent("gf1", "config.yml")
 		gtest.Assert(gcfg.GetContent("config.yml"), "gf1")
-		gcfg.RemoveConfig("config.yml")
+		gcfg.RemoveContent("config.yml")
 		gcfg.ClearContent()
 		gtest.Assert(gcfg.GetContent("name"), "")
 	})
diff --git a/os/gfsnotify/gfsnotify.go b/os/gfsnotify/gfsnotify.go
index cd61badb7..fc1f4acb7 100644
--- a/os/gfsnotify/gfsnotify.go
+++ b/os/gfsnotify/gfsnotify.go
@@ -11,6 +11,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gogf/gf/container/gset"
+	"github.com/gogf/gf/internal/intlog"
 	"time"
 
 	"github.com/fsnotify/fsnotify"
@@ -94,6 +95,7 @@ func New() (*Watcher, error) {
 	if watcher, err := fsnotify.NewWatcher(); err == nil {
 		w.watcher = watcher
 	} else {
+		intlog.Printf("New watcher failed: %v", err)
 		return nil, err
 	}
 	w.startWatchLoop()
diff --git a/os/gfsnotify/gfsnotify_watcher.go b/os/gfsnotify/gfsnotify_watcher.go
index 25009ede1..b9fc4aa66 100644
--- a/os/gfsnotify/gfsnotify_watcher.go
+++ b/os/gfsnotify/gfsnotify_watcher.go
@@ -43,6 +43,8 @@ func (w *Watcher) AddOnce(name, path string, callbackFunc func(event *Event), re
 				if fileIsDir(subPath) {
 					if err := w.watcher.Add(subPath); err != nil {
 						intlog.Error(err)
+					} else {
+						intlog.Printf("watcher adds monitor for: %s", subPath)
 					}
 				}
 			}
@@ -85,6 +87,8 @@ func (w *Watcher) addWithCallbackFunc(name, path string, callbackFunc func(event
 	// Add the path to underlying monitor.
 	if err := w.watcher.Add(path); err != nil {
 		intlog.Error(err)
+	} else {
+		intlog.Printf("watcher adds monitor for: %s", path)
 	}
 	// Add the callback to global callback map.
 	callbackIdMap.Set(callback.Id, callback)
diff --git a/os/gfsnotify/gfsnotify_watcher_loop.go b/os/gfsnotify/gfsnotify_watcher_loop.go
index 8d69cf60a..733b55220 100644
--- a/os/gfsnotify/gfsnotify_watcher_loop.go
+++ b/os/gfsnotify/gfsnotify_watcher_loop.go
@@ -100,6 +100,8 @@ func (w *Watcher) startEventLoop() {
 						// We need no worry about the repeat adding.
 						if err := w.watcher.Add(event.Path); err != nil {
 							intlog.Error(err)
+						} else {
+							intlog.Printf("fake remove event, watcher re-adds monitor for: %s", event.Path)
 						}
 						// Change the event to RENAME, which means it renames itself to its origin name.
 						event.Op = RENAME
@@ -114,6 +116,8 @@ func (w *Watcher) startEventLoop() {
 						// We need no worry about the repeat adding.
 						if err := w.watcher.Add(event.Path); err != nil {
 							intlog.Error(err)
+						} else {
+							intlog.Printf("fake rename event, watcher re-adds monitor for: %s", event.Path)
 						}
 						// Change the event to CHMOD.
 						event.Op = CHMOD
@@ -130,6 +134,8 @@ func (w *Watcher) startEventLoop() {
 							if fileIsDir(subPath) {
 								if err := w.watcher.Add(subPath); err != nil {
 									intlog.Error(err)
+								} else {
+									intlog.Printf("folder creation event, watcher adds monitor for: %s", subPath)
 								}
 							}
 						}
@@ -137,6 +143,8 @@ func (w *Watcher) startEventLoop() {
 						// If it's a file, it directly adds it to monitor.
 						if err := w.watcher.Add(event.Path); err != nil {
 							intlog.Error(err)
+						} else {
+							intlog.Printf("file creation event, watcher adds monitor for: %s", event.Path)
 						}
 					}
 
diff --git a/os/glog/glog_logger_config.go b/os/glog/glog_logger_config.go
index e68e62342..1e387f225 100644
--- a/os/glog/glog_logger_config.go
+++ b/os/glog/glog_logger_config.go
@@ -57,7 +57,7 @@ func (l *Logger) SetConfig(config Config) error {
 			return err
 		}
 	}
-	intlog.Print(l.config)
+	intlog.Printf("SetConfig: %+v", l.config)
 	return nil
 }
 
diff --git a/os/gres/gres_resource.go b/os/gres/gres_resource.go
index 757fb83ac..ae5489e08 100644
--- a/os/gres/gres_resource.go
+++ b/os/gres/gres_resource.go
@@ -8,6 +8,7 @@ package gres
 
 import (
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"os"
 	"path/filepath"
 	"strings"
@@ -41,6 +42,7 @@ func New() *Resource {
 func (r *Resource) Add(content string, prefix ...string) error {
 	files, err := UnpackContent(content)
 	if err != nil {
+		intlog.Printf("Add resource files failed: %v", err)
 		return err
 	}
 	namePrefix := ""
@@ -51,6 +53,7 @@ func (r *Resource) Add(content string, prefix ...string) error {
 		files[i].resource = r
 		r.tree.Set(namePrefix+files[i].file.Name, files[i])
 	}
+	intlog.Printf("Add %d files to resource manager", r.tree.Size())
 	return nil
 }
 
diff --git a/os/gview/gview_config.go b/os/gview/gview_config.go
index 629cae82d..f256225f5 100644
--- a/os/gview/gview_config.go
+++ b/os/gview/gview_config.go
@@ -30,7 +30,6 @@ type Config struct {
 
 // SetConfig sets the configuration for view.
 func (view *View) SetConfig(config Config) error {
-	intlog.Printf("%+v", config)
 	var err error
 	if len(config.Paths) > 0 {
 		for _, v := range config.Paths {
@@ -52,6 +51,8 @@ func (view *View) SetConfig(config Config) error {
 	// Clear global template object cache.
 	// It's just cache, do not hesitate clearing it.
 	templates.Clear()
+
+	intlog.Printf("SetConfig: %+v", view.config)
 	return nil
 }