diff --git a/test/net/test_mobilenet.cpp b/test/net/test_mobilenet.cpp
index 8d6fc43d96a358cfd421d12d1e31e638e763a11f..d7793f729866024e2560ad13ac5613172eecc4dd 100644
--- a/test/net/test_mobilenet.cpp
+++ b/test/net/test_mobilenet.cpp
@@ -31,7 +31,7 @@ int main() {
     // 预热一次
     auto vec_result = paddle_mobile.Predict(input, dims);
     std::vector<float>::iterator biggest =
-            std::max_element(std::begin(vec_result), std::end(vec_result));
+        std::max_element(std::begin(vec_result), std::end(vec_result));
     std::cout << " Max element is " << *biggest << " at position "
               << std::distance(std::begin(vec_result), biggest) << std::endl;