diff --git a/paddle/fluid/platform/gpu_info.cc b/paddle/fluid/platform/gpu_info.cc
index 08fdb54a6143bc07d50b05570b1229ac54230ed6..445eb4a599a6566df3272f065ed188dd2316e227 100644
--- a/paddle/fluid/platform/gpu_info.cc
+++ b/paddle/fluid/platform/gpu_info.cc
@@ -109,7 +109,6 @@ int GetCUDAComputeCapability(int id) {
   PADDLE_ENFORCE_LT(id, GetCUDADeviceCount(), "id must less than GPU count");
   cudaDeviceProp device_prop;
   auto e = cudaGetDeviceProperties(&device_prop, id);
-  std::string ErrorLog;
   std::ostringstream ostr;
   ostr << "cudaGetDeviceProperties failed in"
           "paddle::platform::GetCUDAComputeCapability!"
@@ -118,8 +117,8 @@ int GetCUDAComputeCapability(int id) {
                "https://docs.nvidia.com/cuda/cuda-runtime-api/"
                "group__CUDART__TYPES.html#group__CUDART__TYPES_"
                "1g3f51e3575c2178246db0a94a430e0038";
-  ErrorLog = ostr.str();
-  PADDLE_ENFORCE(e, "helllo");
+  std::string ErrorLog = ostr.str();
+  PADDLE_ENFORCE(e, ErrorLog);
   return device_prop.major * 10 + device_prop.minor;
 }