红德堂-fix默认值设置不对导致的logo修改失败

src/views/his/coupon/index.vue

@@ -576,7 +576,7 @@ export default {
           })
         }
 
-        this.imageArr = this.form.logo?.split(",");
+        this.imageArr = this.form.logo ? this.form.logo.split(",") : [];
       });
     },
     /** 提交按钮 */