diff --git a/core/general-client/src/general_model.cpp b/core/general-client/src/general_model.cpp
index d1ad58d462025c205eb669b3aa50864051d414ba..f2e0d376cd28d06dcb235b97da5608ea53dd87d5 100644
--- a/core/general-client/src/general_model.cpp
+++ b/core/general-client/src/general_model.cpp
@@ -363,7 +363,7 @@ int PredictorClient::batch_predict(
   res.Clear();
   if (_predictor->inference(&req, &res) != 0) {
     LOG(ERROR) << "failed call predictor with req: " << req.ShortDebugString();
-    exit(-1);
+    return -1;
   } else {
     client_infer_end = timeline.TimeStampUS();
     postprocess_start = client_infer_end;