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															@@ -4,7 +4,7 @@ const ProductType = { 
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															       <a-cascader 
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															       <a-cascader 
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															         @change="handleChange" 
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															         @change="handleChange" 
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															         change-on-select 
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															         change-on-select 
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															-        :value="value" 
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															+        :value="defaultVal" 
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															 		expand-trigger="hover" 
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															 		expand-trigger="hover" 
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															         :options="productTypeList" 
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															         :options="productTypeList" 
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															         :fieldNames="{ label: 'productTypeName', value: 'productTypeSn', children: 'children' }" 
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															         :fieldNames="{ label: 'productTypeName', value: 'productTypeSn', children: 'children' }" 
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															@@ -13,7 +13,7 @@ const ProductType = { 
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															         allowClear /> 
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															         allowClear /> 
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															     `, 
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															     `, 
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															   props: { 
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															   props: { 
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															-    defaultVal: { 
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															+    value: { 
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															       type: Array, 
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															       type: Array, 
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															       defatut: function(){ 
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															       defatut: function(){ 
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															         return [] 
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															         return [] 
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															@@ -26,16 +26,21 @@ const ProductType = { 
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															   }, 
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															   }, 
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															   data() { 
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															   data() { 
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															     return { 
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															     return { 
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															-      value: this.defaultVal, 
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															+      defaultVal: this.value, 
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															       productTypeList: [] 
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															       productTypeList: [] 
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															     }; 
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															     }; 
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															   }, 
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															   }, 
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															+  watch: { 
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															+    value(newValue, oldValue) { 
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															+      this.defaultVal = newValue 
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															+    } 
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															+  }, 
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															   mounted() { 
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															   mounted() { 
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															     this.getProductType() 
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															     this.getProductType() 
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															   }, 
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															   }, 
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															   methods: { 
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															   methods: { 
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															     handleChange(value) { 
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															     handleChange(value) { 
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															-      this.value = value; 
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															+      this.defaultVal = value; 
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															       this.$emit('change', this.value); 
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															       this.$emit('change', this.value); 
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															     }, 
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															     }, 
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															     //  产品分类列表 
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															     //  产品分类列表 
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