diff --git a/deploy_from_git.sh b/deploy_from_git.sh
index a80b7de..bd1f69e 100755
--- a/deploy_from_git.sh
+++ b/deploy_from_git.sh
@@ -71,11 +71,25 @@ echo -e "${BLUE}[4/6] 复制JAR文件...${NC}"
 cp target/designhub-backend-1.0.0.jar ${APP_DIR}/designhub.jar
 
 echo -e "${BLUE}[5/6] 重启服务...${NC}"
-systemctl restart designhub
+# 先停止服务
+systemctl stop designhub 2>/dev/null || true
+sleep 2
+# 确保端口5123没有被占用（清理僵尸Java进程）
+pkill -9 -f "designhub.jar" 2>/dev/null || true
+sleep 2
+# 确认端口已释放
+if ss -tlnp | grep -q ":5123"; then
+    echo "端口5123仍被占用，强制清理..."
+    fuser -k 5123/tcp 2>/dev/null || true
+    sleep 2
+fi
+# 重置失败状态并启动服务
+systemctl reset-failed designhub 2>/dev/null || true
+systemctl start designhub
 
 echo ""
 echo -e "${GREEN}等待服务启动...${NC}"
-sleep 5
+sleep 15
 
 echo ""
 echo -e "${BLUE}[6/6] 检查服务状态...${NC}"