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				@@ -470,22 +470,23 @@ export default { 
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				         .then((res) => { 
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				           this.loading = false; 
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				           this.handleData(res, 0); 
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				-          this.treeData = JSON.parse(JSON.stringify(res.nodes)); 
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				-          this.oldLists = JSON.parse(JSON.stringify(res.nodes)); 
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				-          this.changeTreeData(res.nodes); 
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				+          let nodesData = res.nodes ? res.nodes : [] 
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				+          this.treeData = JSON.parse(JSON.stringify(nodesData)); 
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				+          this.oldLists = JSON.parse(JSON.stringify(nodesData)); 
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				+          this.changeTreeData(nodesData); 
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				           _this.$nextTick(() => { 
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				             _this.foldAll(); 
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				             if (this.type) { 
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				               this.curINdexArr = this.curIndex.split("-"); 
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				               this.handleFold(res, 0); 
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				-              this.treeData = JSON.parse(JSON.stringify(res.nodes)); 
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				-              this.changeTreeData(res.nodes); 
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				+              this.treeData = JSON.parse(JSON.stringify(nodesData)); 
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				+              this.changeTreeData(nodesData); 
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				             } else if (this.bookLevel) { 
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				               this.curINdexArr = this.bookLevel.split("-"); 
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				               this.handleFold(res, 0); 
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				-              this.treeData = JSON.parse(JSON.stringify(res.nodes)); 
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				-              this.changeTreeData(res.nodes); 
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				+              this.treeData = JSON.parse(JSON.stringify(nodesData)); 
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				+              this.changeTreeData(nodesData); 
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				             } 
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				           }); 
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				         }) 
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				@@ -559,8 +560,10 @@ export default { 
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				                 type: "success", 
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				                 message: "删除成功!", 
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				               }); 
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				-              this.activeIndex = ""; 
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				-              this.emptyQustion(); 
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				+              if(this.currentTreeID==data.id){ 
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				+                  this.activeIndex = ""; 
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				+                  this.emptyQustion(); 
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				+              } 
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				             }) 
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				             .catch(() => { 
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				               this.loading = false; 
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