diff --git a/core/src/server/Config.h b/core/src/server/Config.h
index 4e4923ee07a29b8d9c52a1b160a2cab489e30129..281a832d5720db999453cca8d88ef454221234ad 100644
--- a/core/src/server/Config.h
+++ b/core/src/server/Config.h
@@ -172,9 +172,10 @@ class Config {
     CheckEngineConfigOmpThreadNum(const std::string& value);
 
 #ifdef MILVUS_GPU_VERSION
-    /* gpu resource config */
     Status
     CheckEngineConfigGpuSearchThreshold(const std::string& value);
+
+    /* gpu resource config */
     Status
     CheckGpuResourceConfigEnable(const std::string& value);
     Status
@@ -307,9 +308,10 @@ class Config {
     SetEngineConfigOmpThreadNum(const std::string& value);
 
 #ifdef MILVUS_GPU_VERSION
-    /* gpu resource config */
     Status
     SetEngineConfigGpuSearchThreshold(const std::string& value);
+
+    /* gpu resource config */
     Status
     SetGpuResourceConfigEnable(const std::string& value);
     Status
diff --git a/core/unittest/server/test_config.cpp b/core/unittest/server/test_config.cpp
index 3a24c02a45c12e3844aabbe5f2c9c1924b653fd1..791876ee8bb40ed46dd3413ab932ee72b7625286 100644
--- a/core/unittest/server/test_config.cpp
+++ b/core/unittest/server/test_config.cpp
@@ -404,10 +404,10 @@ TEST_F(ConfigTest, SERVER_CONFIG_INVALID_TEST) {
     ASSERT_FALSE(s.ok());
 
 #ifdef MILVUS_GPU_VERSION
-    /* gpu resource config */
     s = config.SetEngineConfigGpuSearchThreshold("-1");
     ASSERT_FALSE(s.ok());
 
+    /* gpu resource config */
     s = config.SetGpuResourceConfigEnable("ok");
     ASSERT_FALSE(s.ok());