中间件名称修改

@@ -82,7 +82,7 @@ const logger = require('./library/logger');
 try {
     const user = require('./doraemon/middleware/user');
     const setChannel = require('./doraemon/middleware/set-channel');
-    const errorHanlder = require('./doraemon/middleware/error-hanlder');
+    const errorHanlder = require('./doraemon/middleware/error-handler');
 
     // YOHO 前置中间件
     app.use(user());