diff --git a/backUpIncremental.sh b/backUpIncremental.sh
index 9174e10..0a083bb 100755
--- a/backUpIncremental.sh
+++ b/backUpIncremental.sh
@@ -16,7 +16,7 @@ LAST_POSITION=$(echo "$LAST_BACKUP" | awk '{print $2}')
 
 # 如果是第一次运行，设置初始值
 if [[ -z "$LAST_BACKUP" ]]; then
-    LAST_BINLOG="none"
+    LAST_BINLOG="0"
     LAST_POSITION="0"
 fi
 echo ""