diff --git a/src/main.py b/src/main.py
index 88c04f2..5754acc 100644
--- a/src/main.py
+++ b/src/main.py
@@ -268,6 +268,17 @@ app.include_router(sse_router)
 app.include_router(mail_router)
 app.include_router(toolchain_router)
 
+# ---------------------------------------------------------------------------
+# 健康检查端点
+# ---------------------------------------------------------------------------
+
+
+@app.get("/api/healthz")
+async def healthz():
+    """轻量级健康检查，无需认证"""
+    return {"status": "ok"}
+
+
 # ---------------------------------------------------------------------------
 # 兼容端点
 # ---------------------------------------------------------------------------