update：更新

src/components/app-panel-field/app-panel-field.vue

 <template>
   <div :class="curClassName" :style="curStyle">
     <div v-if="Object.is(labelPos, 'NONE') || !labelPos" class="editor">
-      <div :class="{'check-error': !valueCheck}">
+      <div :class="{ 'check-error': !valueCheck }">
         <slot></slot>
         <span v-if="!valueCheck" class="error-info">{{ error }}</span>
       </div>
@@ -19,7 +19,7 @@
       "
       class="editor"
     >
-      <div :class="{'check-error': !valueCheck}">
+      <div :class="{ 'check-error': !valueCheck }">
         <slot></slot>
         <span v-if="!valueCheck" class="error-info">{{ error }}</span>
       </div>
@@ -39,14 +39,6 @@ export default class AppPanelField extends Vue {
    */
   @Prop() public name!: string;
 
-  /**
-   * 标题
-   *
-   * @type {string}
-   * @memberof AppPanelField
-   */
-  @Prop() public caption!: string;
-
   /**
    * 下标
    *
@@ -80,6 +72,18 @@ export default class AppPanelField extends Vue {
     return this.index ? `${this.name}_${this.index}` : this.name;
   }
 
+  /**
+   * 标题
+   *
+   * @memberof AppLoginButton
+   */
+  get caption() {
+    const layoutModel = this.layoutModelDetails[this.itemName];
+    if (layoutModel) {
+      return layoutModel.caption;
+    }
+  }
+
   /**
    * 显示标题
    *
@@ -195,7 +199,6 @@ export default class AppPanelField extends Vue {
   itemValueRules(newVal: any, oldVal: any) {
     this.valueChange = true;
   }
-
 }
 </script>
 <style lang='less'>