diff --git a/test/net/test_googlenet.cpp b/test/net/test_googlenet.cpp
index 2ab24736397c1e71350335561abbcabcba6e27a4..d230b9469229946fc74f4dc9e1ee6100196ed9aa 100644
--- a/test/net/test_googlenet.cpp
+++ b/test/net/test_googlenet.cpp
@@ -23,7 +23,7 @@ int main() {
   auto time1 = time();
   if (paddle_mobile.Load(g_googlenet, optimize)) {
     auto time2 = time();
-    DLOG << "load cost :" << time_diff(time1, time1) << "ms";
+    DLOG << "load cost: " << time_diff(time1, time1) << "ms";
     std::vector<float> input;
     std::vector<int64_t> dims{1, 3, 224, 224};
     GetInput<float>(g_test_image_1x3x224x224, &input, dims);