diff --git a/api/@ohos.i18n.d.ts b/api/@ohos.i18n.d.ts
index f7f33f657d02a53fc281aea5a79731eb9fb1309d..4de596fd59bc6dbcc86b0216b5519977226cf2b2 100644
--- a/api/@ohos.i18n.d.ts
+++ b/api/@ohos.i18n.d.ts
@@ -822,7 +822,7 @@ declare namespace i18n {
      * @systemapi
      * @since 20
      */
-    static setSystemMeasurement(identifier: string):void;
+    static setSystemMeasurement(identifier: string): void;
 
     /**
      * Gets numbering system currently used by system locale.
@@ -834,7 +834,7 @@ declare namespace i18n {
      * @systemapi
      * @since 20
      */
-    static getUsingNumberingSystems(): string;
+    static getUsingNumberingSystem(): string;
 
     /**
      * Sets the numbering system used by the system locale.
@@ -849,7 +849,7 @@ declare namespace i18n {
      * @systemapi
      * @since 20
      */
-    static setSystemNumberingSystem(identifier: string):void;
+    static setSystemNumberingSystem(identifier: string): void;
 
     /**
      * Gets numbering systems supported by system locale.