update 下拉组件报错

src/components/app-mob-select/app-mob-select.vue

@@ -220,8 +220,8 @@ export default class AppSelect extends Vue {
         }
         // 附加参数处理
         const {context, param} = this.$viewTool.formatNavigateParam( this.navigateContext, this.navigateParam, this.context, this.viewparams, this.data );
-        Object.assign( arg.context, context );
-        Object.assign( arg.param, param );
+        arg.context = context;
+        arg.param = param;
         return true;
     }
 }