fix lint rule

@@ -219,7 +219,7 @@ if (isProduction) {
                 port: '6379',
                 enable_offline_queue: false,
                 retry_strategy(options) {
-                    if (options.error && options.error.code === 'ECONNREFUSED'){
+                    if (options.error && options.error.code === 'ECONNREFUSED') {
                         console.log('connect redis server fail');
                     }