diff --git a/src/main/java/com/platform/common/scheduled/BackUpDataBaseManager.java b/src/main/java/com/platform/common/scheduled/BackUpDataBaseManager.java
index 76e9660..0fcebc3 100644
--- a/src/main/java/com/platform/common/scheduled/BackUpDataBaseManager.java
+++ b/src/main/java/com/platform/common/scheduled/BackUpDataBaseManager.java
@@ -1,6 +1,9 @@
 package com.platform.common.scheduled;
 
+import cn.hutool.core.io.FileUtil;
 import com.platform.common.properties.SystemProperties;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.ArrayUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -55,8 +58,23 @@ public class BackUpDataBaseManager {
 	    if (!saveFile.exists()) {
 		  saveFile.mkdirs();
 	    }
-
-	    String host = getHost();
+		try {
+			//每天备份前清除历史备份文件
+			final File[] files = saveFile.listFiles();
+			if(ArrayUtils.isNotEmpty(files)){
+				for(File file : files){
+					if(file.isFile()){
+						FileUtils.delete(file);
+					}else if(file.isDirectory()){
+						FileUtils.deleteDirectory(file);
+					}
+				}
+			}
+		} catch (IOException e) {
+			log.error("数据库备份目录清除失败", e);
+			e.printStackTrace();
+		}
+		String host = getHost();
 	    String dataBaseName = getDataBaseName();
 	    String fileName = time + "_" + "cloudpm.sql";