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				@@ -258,6 +258,7 @@ const bothSide = (data) => { 
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				   });
 
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				 };
 
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				 const setLeaderline = () => {
 
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				+  console.log('first', domListMiddle3.value,domListLeftChild3.value,domListRightChild3.value)
 
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				   //左侧子组件
 
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				   for (let [key, value] of domListMiddle3.value) {
 
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				     for (const [key2, value2] of domListLeftChild3.value) {
 
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				@@ -349,10 +350,11 @@ const setLine = () => { 
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				   if (listData3.value) {
 
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				     bothSide(listData3.value.list);
 
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				   }
 
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				-  setTimeout(() => {
 
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				+  const intervalId =setInterval(() => {
 
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				     setLeaderline();
 
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				     newPositionLine();
 
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				-  }, 500);
 
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				+    if(domListMiddle3.value.size>0) clearInterval(intervalId);
 
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				+  }, 300);
 
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				 };
 
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				 const removeLine3 = () => {
 
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