diff --git a/README.md b/README.md
index 9e92ab6..694db11 100644
--- a/README.md
+++ b/README.md
@@ -271,9 +271,9 @@ type NotFoundHandle  func(http.ResponseWriter, *http.Request)
 ## Dependency
 websocket - golang.org/x/net/websocket - 内置vendor
 <br>
-redis - github.com/garyburd/redigo - 需自行go get
+redis - github.com/garyburd/redigo - go get自动下载
 <br>
-yaml - gopkg.in/yaml.v2  - 需自行go get
+yaml - gopkg.in/yaml.v2  - go get自动下载
 
 ## 相关项目
 #### <a href="https://github.com/devfeel/longweb" target="_blank">LongWeb</a>
diff --git a/consts.go b/consts.go
index a582bc2..22fc2a6 100644
--- a/consts.go
+++ b/consts.go
@@ -14,7 +14,7 @@ const (
 
 //Http define
 const (
-	CharsetUTF8       = "text/plain; charset=utf-8"
+	CharsetUTF8       = "charset=utf-8"
 	DefaultServerName = "dotweb"
 )
 
diff --git a/example/main.go b/example/main.go
index 19a1424..0862b40 100644
--- a/example/main.go
+++ b/example/main.go
@@ -58,6 +58,11 @@ func main() {
 		ctx.Response().Write(http.StatusNotFound, []byte("is't app's not found!"))
 	})
 
+	app.SetExceptionHandle(func(ctx dotweb.Context, err error) {
+		ctx.Response().SetContentType(dotweb.MIMEApplicationJSONCharsetUTF8)
+		ctx.WriteJsonC(http.StatusInternalServerError, err.Error())
+	})
+
 	//设置HttpModule
 	//InitModule(app)
 
diff --git a/version.MD b/version.MD
index 8bed871..ae5e981 100644
--- a/version.MD
+++ b/version.MD
@@ -1,5 +1,10 @@
 ## dotweb版本记录：
 
+#### Version 1.4.9.2
+* 修复BUG for #112
+* 调整CharsetUTF8值为"charset=utf-8"
+* 2018-03-28 09:00
+
 #### Version 1.4.9.1
 * 内置Vendor目录仅保留 golang.org/x/net包,移除redis与yaml包
 * 完善RedisClient接口能力