diff --git a/lib/server/rest.js b/lib/server/rest.js
index 09e331e5..f4310339 100644
--- a/lib/server/rest.js
+++ b/lib/server/rest.js
@@ -49,46 +49,45 @@
      * @param response
      * @param callback
      */
-    exports.api = function(request, response, callback) {
-        var apiURL, name, ret,
+    exports.api = function(request, response, next) {
+        var apiURL, name, is, regExp,
             params  = {
                 request     : request,
                 response    : response,
             };
         
-        if (request && response) {
-            apiURL  = CloudFunc.apiURL;
-            name    = ponse.getPathName(request);
-            ret     = Util.isContainStr(name, apiURL);
-            
-            if (ret) {
-                params.name = Util.rmStrOnce(name, apiURL) || '/';
-                
-                sendData(params, function(error, options, data) {
-                    params.gzip = !error;
-                    
-                    if (!data) {
-                        data    = options;
-                        options = {};
-                    }
-                    
-                    if (options.name)
-                        params.name = options.name;
-                    
-                    if (options.query)
-                        params.query = options.query;
-                    
-                    if (error)
-                        ponse.sendError(error, params);
-                    else
-                        ponse.send(data, params, options.notLog);
-                });
-            }
-        }
-        if (!ret && callback)
-            callback();
+        Util.checkArgs(arguments, ['request', 'response', 'next']);
         
-        return ret;
+        apiURL  = CloudFunc.apiURL;
+        name    = ponse.getPathName(request);
+        regExp  = '^' + apiURL,
+        is      = name.match(regExp);
+        
+        if (!is) {
+            next();
+        } else {
+            params.name = Util.rmStrOnce(name, apiURL) || '/';
+            
+            sendData(params, function(error, options, data) {
+                params.gzip = !error;
+                
+                if (!data) {
+                    data    = options;
+                    options = {};
+                }
+                
+                if (options.name)
+                    params.name = options.name;
+                
+                if (options.query)
+                    params.query = options.query;
+                
+                if (error)
+                    ponse.sendError(error, params);
+                else
+                    ponse.send(data, params, options.notLog);
+            });
+        }
     };
     
     /**