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				@@ -93,18 +93,23 @@ function delFile() { 
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				 function getLastFile(dirPath, number, callback) { 
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				     logger.info(`开始读取文件 ---`) 
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				     fs.readdir(dirPath, async (err, files) => { 
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				+        logger.info(`--------01`) 
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				         if (err) { 
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				             logger.error(`无法列出目录。`, err); 
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				             // process.exit(1); 
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				         } else { 
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				+            logger.info(`--------02`) 
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				             let fileList = []; 
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				             for (file of files) { 
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				                 const filePath = path.join(dirPath, file); 
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				                 const stats = await fs.promises.stat(filePath); 
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				                 fileList.push({name: file, time: stats.mtimeMs}); 
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				             } 
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				+            logger.info(`--------03`) 
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				             fileList.sort((a, b) => b.time - a.time); 
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				+            logger.info(`--------04`) 
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				             lastFileList = fileList.slice(0, number != -1 ? number : fileList.length); 
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				+            logger.info(`--------05`) 
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				             lastFileNameList = lastFileList.map((item) => item.name); 
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				             logger.info(`文件读取完毕 ---`) 
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