diff --git a/cpp/src/db/types.h b/cpp/src/db/Types.h
similarity index 100%
rename from cpp/src/db/types.h
rename to cpp/src/db/Types.h
diff --git a/cpp/src/db/db.h b/cpp/src/db/db.h
index 74dfe93edf3d02e3c73dd5074eee46749d266795..5ff2af980922c6b5d6d4c0c2295d36146a5e39f4 100644
--- a/cpp/src/db/db.h
+++ b/cpp/src/db/db.h
@@ -5,7 +5,7 @@
 #include "options.h"
 #include "db_meta.h"
 #include "status.h"
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {
diff --git a/cpp/src/db/db_impl.h b/cpp/src/db/db_impl.h
index 18c6b154d1541f92cb111b84ddaa216975c4c136..5653777a33d8a19322e85e00f66b340e3e4dc426 100644
--- a/cpp/src/db/db_impl.h
+++ b/cpp/src/db/db_impl.h
@@ -6,7 +6,7 @@
 #include <atomic>
 #include "db.h"
 #include "memvectors.h"
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {
diff --git a/cpp/src/db/id_generators.h b/cpp/src/db/id_generators.h
index 0a9db16c21f37bc47b1af3a96b4e03711619fcad..0775cd65a78c8192a863fbba53e4e36d88f49baa 100644
--- a/cpp/src/db/id_generators.h
+++ b/cpp/src/db/id_generators.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <vector>
-#include "types.h"
+#include "Types.h"
 
 namespace zilliz {
 namespace vecwise {