diff --git a/api/@ohos.application.Configuration.d.ts b/api/@ohos.application.Configuration.d.ts
index 81c19fd0db8815ae9d108e1e83e986f6577ec900..9dc13b7bc51b97d59101237d591185e332ac126f 100644
--- a/api/@ohos.application.Configuration.d.ts
+++ b/api/@ohos.application.Configuration.d.ts
@@ -30,7 +30,7 @@ export interface Configuration {
      * @since 8
      * @syscap SystemCapability.Ability.AbilityBase
      */
-    language: string;
+    language?: string;
 
     /**
      * Indicates the current colorMode of the application.
@@ -38,5 +38,5 @@ export interface Configuration {
      * @since 8
      * @syscap SystemCapability.Ability.AbilityBase
      */
-    colorMode: ConfigurationConstant.ColorMode;
+    colorMode?: ConfigurationConstant.ColorMode;
 }