diff --git a/main.py b/main.py
index d1d2261..611abdf 100644
--- a/main.py
+++ b/main.py
@@ -153,10 +153,12 @@ async def fastapi_dump_inp(network: str, inp: str) -> bool:
 # 必须用这个PlainTextResponse，不然每个key都有引号
 @app.get("/runproject/", response_class = PlainTextResponse)
 async def fastapi_run_project(network: str) -> str:
-    filename = 'lock.simulation'
+    filename = 'c:/lock.simulation'
     if os.path.exists(filename):
+        print('file exists')
         raise HTTPException(status_code=409, detail="is in simulation")   
     else:
+        print('file doesnt exists')
         f = open(filename, "w")
         f.write("locksimulaiton")
         f.close()