diff --git a/Jenkinsfile b/Jenkinsfile
index 52dbe97..bb409f3 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -45,6 +45,7 @@ pipeline {
                     # 构建后端（TypeScript 编译 + Prisma Client 生成）
                     echo "===============================构建后端...==============================="
                     cd backend
+                    npm install
                     npm run prisma:generate
                     npm run build
                     cd ..