diff --git a/zh-cn/application-dev/reference/apis/js-apis-installer.md b/zh-cn/application-dev/reference/apis/js-apis-installer.md
index a68416bfaff40665ab8031473efd71db7bc21afb..64dc39275f9eb4b4e8a90dfb618a91549a283137 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-installer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-installer.md
@@ -271,7 +271,7 @@ try {
                 console.info('install successfully.');
             }
         });
-    }).catch(error => {
+    }).catch((error: BusinessError) => {
         console.error('getBundleInstaller failed. Cause: ' + error.message);
     });
 } catch (error) {