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 74dfe93edf..5ff2af9809 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 18c6b154d1..5653777a33 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 0a9db16c21..0775cd65a7 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 {