diff --git a/api/@internal/global.d.ts b/api/@internal/global.d.ts
index 03bc8cc2bc561c9b8c8cc51c0f1fff31acdb9a0e..f8a32dee04535897b8a1024318d6399f79f4304e 100644
--- a/api/@internal/global.d.ts
+++ b/api/@internal/global.d.ts
@@ -76,3 +76,4 @@ export declare function setTimeout(handler: Function | string, delay?: number, .
 export declare function clearInterval(intervalID?: number): void;
 export declare function clearTimeout(timeoutID?: number): void;
 export declare function createLocalParticleAbility(timeoutID?: number): any;
+export declare function canIUse(syscap: string): boolean;
diff --git a/api/common/@internal/global.d.ts b/api/common/@internal/global.d.ts
index ef9c48b7fb8fb95c56410b7a3bd946e1674951a4..0f902fb46960a1d39f9ae8baa83cba0f166bbc64 100644
--- a/api/common/@internal/global.d.ts
+++ b/api/common/@internal/global.d.ts
@@ -59,7 +59,7 @@ export declare function clearTimeout(timeoutID?: number): void;
  * Defining syscap function.
  * @since 8
  */
- export declare function canIUse(syscap: string): boolean;
+export declare function canIUse(syscap: string): boolean;
 
 /**
  * Obtain the objects exposed in app.js