diff --git a/zh-cn/application-dev/reference/apis/js-apis-contact.md b/zh-cn/application-dev/reference/apis/js-apis-contact.md
index 0bf871d0b4d18fe2c8a4806994830df07b50e528..f3e4ebbba4467ac2b936bb81bba8956915ba4f64 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-contact.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-contact.md
@@ -776,7 +776,7 @@ queryContacts(attrs: ContactAttributes, callback: AsyncCallback<Array<Cont
 
 ## contact.queryContacts
 
-queryContacts(holder: Holder, attrs: ContactAttributes, callback: AsyncCallback<Array<Contact>>)
+queryContacts(holder: Holder, attrs: ContactAttributes, callback: AsyncCallback<Array<Contact>>): void
 
 查询所有联系人，使用callback方式作为异步方法。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-sim.md b/zh-cn/application-dev/reference/apis/js-apis-sim.md
index 89fb4e51662c962a300e6c76e5ebe74da1897ed6..04ae6c9c446509fd4546c78ceaf1850e18efe61c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-sim.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-sim.md
@@ -140,7 +140,7 @@ sim.hasOperatorPrivileges(0, (err, data) => {
 
 ## sim.hasOperatorPrivileges<sup>7+</sup>
 
-hasOperatorPrivileges(slotId: number): Promise<boolean>
+hasOperatorPrivileges(slotId: number): Promise<boolean\>
 
 检查应用（调用者）是否已被授予运营商权限，使用Promise方式作为异步方法。