diff --git a/class/core/mw.py b/class/core/mw.py
index a8950c4a6..02f516c57 100755
--- a/class/core/mw.py
+++ b/class/core/mw.py
@@ -499,6 +499,18 @@ def backFile(file, act=None):
     execShell("cp -p {0} {1}".format(file, file + file_type))
 
 
+def removeBackFile(file, act=None):
+    """
+        @name 删除备份配置文件
+        @param file 需要删除备份文件
+        @param act 如果存在，则还原默认配置
+    """
+    file_type = "_bak"
+    if act:
+        file_type = "_def"
+    execShell("rm -rf {0}".format(file + file_type))
+
+
 def restoreFile(file, act=None):
     """
         @name 还原配置文件
diff --git a/class/core/site_api.py b/class/core/site_api.py
index 4a243a23d..9014bd52e 100755
--- a/class/core/site_api.py
+++ b/class/core/site_api.py
@@ -1118,6 +1118,26 @@ class site_api:
         host = self.getHostConf(siteName)
         return mw.getJson({'host': host})
 
+    def saveHostConfApi(self):
+        path = request.form.get('path', '')
+        data = request.form.get('data', '')
+        encoding = request.form.get('encoding', '')
+
+        import files_api
+
+        mw.backFile(path)
+        save_ret_data = files_api.files_api().saveBody(path, data, encoding)
+        rdata = json.loads(save_ret_data)
+
+        if rdata['status']:
+            isError = mw.checkWebConfig()
+            if isError != True:
+                mw.restoreFile(path)
+                return mw.returnJson(False, 'ERROR: 检测到配置文件有错误,请先排除后再操作<br><br><a style="color:red;">' + isError.replace("\n", '<br>') + '</a>')
+            mw.restartWeb()
+            mw.removeBackFile(path)
+        return save_ret_data
+
     def getRewriteConfApi(self):
         siteName = request.form.get('siteName', '')
         rewrite = self.getRewriteConf(siteName)
diff --git a/route/static/app/site.js b/route/static/app/site.js
index 3e0fe671b..7a2a3f004 100755
--- a/route/static/app/site.js
+++ b/route/static/app/site.js
@@ -2379,7 +2379,7 @@ function configFile(webSite){
 function saveConfigFile(webSite,encoding,path){
 	var data = 'encoding='+encoding+'&data='+encodeURIComponent($("#configBody").val())+'&path='+path;
 	var loadT = layer.msg('保存中...',{icon:16,time:0,shade: [0.3, '#000']});
-	$.post('/files/save_body',data,function(rdata){
+	$.post('/site/save_host_conf',data,function(rdata){
 		layer.close(loadT);
 		if(rdata.status){
 			layer.msg(rdata.msg,{icon:1});
diff --git a/scripts/install_dev.sh b/scripts/install_dev.sh
index de2574fc8..2287b794b 100755
--- a/scripts/install_dev.sh
+++ b/scripts/install_dev.sh
@@ -6,7 +6,7 @@ is64bit=`getconf LONG_BIT`
 
 echo -e "您正在安装的是\033[31mmdserver-web测试版\033[0m，非开发测试用途请使用正式版 install.sh ！" 
 echo -e "You are installing\033[31mmdserver-web dev version\033[0m, normally use install.sh for production.\n" 
-sleep 2
+sleep 1
 
 {