upd requestError处理

Author: livehigh

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cos-nodejs-sdk-v5",
-  "version": "2.11.0",
+  "version": "2.11.1",
   "description": "cos nodejs sdk v5",
   "main": "index.js",
   "types": "index.d.ts",

sdk/base.js

@@ -3743,6 +3743,7 @@ function _submitRequest(params, callback) {
         }
         if (sender) {
             sender.removeAllListeners && sender.removeAllListeners();
+            sender.on('error', function () {});
             sender = null;
         }
     };