fix

 <!--
  * @Date: 2023-03-29 17:44:24
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2024-06-17 10:49:17
+ * @LastEditTime: 2024-06-17 10:52:18
  * @FilePath: /data-table/src/components/SignField/MyComponent.vue
  * @Description: 文件描述
 -->
@@ -71,6 +71,7 @@ let esignHeight = ref();
 const wrapperRef = ref(null);
 const readonly = ref(false);
 const default_value = ref('');
+
 onMounted(() => {
   // 只读状态
   if (props.component_props.readonly) {
@@ -78,9 +79,9 @@ onMounted(() => {
   }
   // 非只读，有默认值
   if (props.component_props.default) {
-    default_value.value = props.component_props.default?.url;
+    default_value.value = props.component_props.default?.url; // 默认值显示
     image_url.value = props.component_props.default?.url; // 动态处理sign_value值的变化
-    show_control.value = false;
+    show_control.value = false; // 不显示控制按钮
   }
   if (!props.component_props.readonly) {
     show_sign.value = false;
@@ -92,7 +93,8 @@ onMounted(() => {
       esignHeight.value = (window.innerHeight) / 5;
     }, 100);
   }
-})
+});
+
 const lineWidth = ref(6);
 const lineColor = ref("#000000");
 const bgColor = ref("#FCFCFC");