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				@@ -497,11 +497,16 @@ $(function () { 
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				                 if (firstDataItem && firstDataItem.codeRelationList && Array.isArray(firstDataItem.codeRelationList)) { 
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				                     // 提取 codeRelationList 数组中每一项的 code 值 
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				-                    let codeList = firstDataItem.codeRelationList.map(function(item) { 
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				-                        return item.code; 
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				-                    }).filter(function(code) { 
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				-                        return code && code.trim() !== ''; 
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				-                    }); 
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				+                    let codeList = firstDataItem.codeRelationList 
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				+                        .filter(function(item) { 
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				+                            return item.codeLevel === "2"; 
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				+                        }) 
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				+                        .map(function(item) { 
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				+                            return item.code; 
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				+                        }) 
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				+                        .filter(function(code) { 
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				+                            return code && code.trim() !== ''; 
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				+                        }); 
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				                     // 将提取的 code 值用换行符连接 
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				                     newTraceCodes = codeList.join('\n'); 
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