diff --git a/api/@ohos.util.d.ts b/api/@ohos.util.d.ts
index 4ec1ce1808fc942d2bd3cfe096227443605a733b..1f73532755e47ad2d1070f42890a1abe77da1700 100644
--- a/api/@ohos.util.d.ts
+++ b/api/@ohos.util.d.ts
@@ -587,9 +587,9 @@ declare namespace util {
         decode(src: Uint8Array | string): Promise<Uint8Array>;
     }
 
-    class types{
+    class Types{
         /**
-         * The types constructor
+         * The Types constructor
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param No input parameter is required.