diff --git a/src/components/form-designer/form-widget/field-widget/fieldMixin.js b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
index 5b9a399..0531a09 100644
--- a/src/components/form-designer/form-widget/field-widget/fieldMixin.js
+++ b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
@@ -27,7 +27,7 @@ export default {
     //--------------------- 组件内部方法 begin ------------------//
 
     initFieldModel() {
-      if (this.field.formItemFlag === false) {
+      if (!this.field.formItemFlag) {
         return
       }
 
@@ -175,10 +175,18 @@ export default {
     },
 
     clearFieldRules() {
+      if (!this.field.formItemFlag) {
+        return
+      }
+
       this.rules.splice(0, this.rules.length)  //清空已有
     },
 
     buildFieldRules() {
+      if (!this.field.formItemFlag) {
+        return
+      }
+
       this.rules.splice(0, this.rules.length)  //清空已有
       if (!!this.field.options.required) {
         this.rules.push({
@@ -326,6 +334,9 @@ export default {
     handleInputCustomEvent(value) {
       this.syncUpdateFormModel(value)
 
+      /* 主动触发表单的单个字段校验，用于清除字段可能存在的校验错误提示 */
+      this.dispatch('VFormRender', 'fieldValidation', [this.field.options.name])
+
       if (!!this.field.options.onInput) {
         let customFn = new Function('value', this.field.options.onInput)
         customFn.call(this, value)
@@ -529,6 +540,14 @@ export default {
       this.customToolbar = customToolbar
     },
 
+    /**
+     * 是否子表单内嵌的组件
+     * @returns {boolean}
+     */
+    isSubFormItem() {
+      return !!this.parentWidget ? this.parentWidget.type === 'sub-form' : false
+    }
+
     //--------------------- 以上为组件支持外部调用的API方法 end ------------------//
 
   }
diff --git a/src/components/form-render/container-item/container-item-wrapper.vue b/src/components/form-render/container-item/container-item-wrapper.vue
index f5a9399..07a6bf0 100644
--- a/src/components/form-render/container-item/container-item-wrapper.vue
+++ b/src/components/form-render/container-item/container-item-wrapper.vue
@@ -18,7 +18,10 @@
   export default {
     name: "container-item-wrapper",
     props: {
-      widget: Object,
+      widget: {
+        type: Object,
+        required: true
+      }
     },
     computed: {
       customClass() {