diff --git a/server/router.js b/server/router.js
index b3fd6f49..22107af1 100644
--- a/server/router.js
+++ b/server/router.js
@@ -56,7 +56,7 @@ createAction('interface', 'del', 'post', 'del')
  */
 function createAction(controller, path, method, action){
     router[method](INTERFACE_CONFIG[controller].prefix + path, async (ctx) => {
-        let inst = yapi.getInst(INTERFACE_CONFIG[controller].controller, ctx);
+        let inst = new INTERFACE_CONFIG[controller].controller(ctx);
         await inst[action].call(inst, ctx);
     })
 }      
diff --git a/server_dist/router.js b/server_dist/router.js
index 4a2f5a0f..527390c0 100644
--- a/server_dist/router.js
+++ b/server_dist/router.js
@@ -90,7 +90,7 @@ function createAction(controller, path, method, action) {
                 while (1) {
                     switch (_context.prev = _context.next) {
                         case 0:
-                            inst = _yapi2.default.getInst(INTERFACE_CONFIG[controller].controller, ctx);
+                            inst = new INTERFACE_CONFIG[controller].controller(ctx);
                             _context.next = 3;
                             return inst[action].call(inst, ctx);