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															@@ -156,7 +156,7 @@ export default { 
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															       } 
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															       } 
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															     }, 
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															     }, 
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															     itemSn (newValue, oldValue) { 
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															     itemSn (newValue, oldValue) { 
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															-      if (this.isShow && !newValue) { 
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															+      if (this.isShow && newValue) { 
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															         const _this = this 
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															         const _this = this 
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															         setTimeout(() => { 
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															         setTimeout(() => { 
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															           _this.$refs.tableDetail.refresh(true) 
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															           _this.$refs.tableDetail.refresh(true) 
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