修改问好语法

src/pages/main/performance/mould.vue

@@ -193,7 +193,7 @@ export default {
                     break;
                 case "issue":
                     this.issue_visible = !this.issue_visible;
-                    this.issue_id = params?.id;
+                    this.issue_id = params ? params.id : null;
                     break;
             }
         },