diff --git a/script/deploy/deploy-all.sh b/script/deploy/deploy-all.sh
index 8f409dcbe8..a86cc1f7cd 100644
--- a/script/deploy/deploy-all.sh
+++ b/script/deploy/deploy-all.sh
@@ -59,9 +59,7 @@ deploy_backend() {
         exit 1
     fi
 
-    log "3. 准备启动 JAR..."
-    mkdir -p $BACKEND_DIR/backup
-    [ -f "$BACKEND_DIR/$BACKEND_JAR_NAME" ] && cp $BACKEND_DIR/$BACKEND_JAR_NAME $BACKEND_DIR/backup/server-$(date +%H%M).jar
+    log "3. 复制 JAR 包..."
     cp $PROJECT_DIR/yudao-server/target/$BACKEND_JAR_NAME $BACKEND_DIR/
 
     log "4. 重启服务..."