diff --git a/application.go b/application.go
index 1994177..7a71646 100644
--- a/application.go
+++ b/application.go
@@ -263,7 +263,7 @@ func (this *Application) handler(w http.ResponseWriter, req *http.Request) {
 
 	//设置header
 	mimeStr := Substr(path, strings.LastIndex(path, "."), len(path))
-	//fmt.Println(mimeStr)
+
 
 	//类型判断并设置Content-Type
 	if value, ok := mimeMaps[mimeStr]; ok {
diff --git a/mime.go b/mime.go
index 658ce76..3d0f850 100644
--- a/mime.go
+++ b/mime.go
@@ -1,16 +1,3 @@
-// Copyright 2014 beego Author. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 package hotime
 
@@ -78,7 +65,7 @@ var mimeMaps = map[string]string{
 	".crt":         "application/pkix-cert",
 	".crx":         "application/x-chrome-extension",
 	".csh":         "text/x-scriptcsh",
-	".css":         "text/css",
+	".css":         "text/css;charset=utf-8",
 	".csv":         "text/csv",
 	".cxx":         "text/plain",
 	".dar":         "application/x-dar",
@@ -149,8 +136,8 @@ var mimeMaps = map[string]string{
 	".hqx":         "application/binhex",
 	".hta":         "application/hta",
 	".htc":         "text/x-component",
-	".htm":         "text/html",
-	".html":        "text/html",
+	".htm":         "text/html;charset=utf-8",
+	".html":        "text/html;charset=utf-8",
 	".htmls":       "text/html",
 	".htt":         "text/webviewhtml",
 	".htx":         "text/html",
@@ -184,7 +171,7 @@ var mimeMaps = map[string]string{
 	".jpeg":        "image/jpeg",
 	".jpg":         "image/jpeg",
 	".jps":         "image/x-jps",
-	".js":          "application/javascript",
+	".js":          "application/javascript;charset=utf-8",
 	".json":        "application/json",
 	".jut":         "image/jutvision",
 	".kar":         "audio/midi",