diff --git a/zh-cn/application-dev/reference/apis/js-apis-cryptoFramework.md b/zh-cn/application-dev/reference/apis/js-apis-cryptoFramework.md
index 93ee99fb63e688a37a14f4a58b23dcd6034fe540..f3b79dc8cbf26887ef45b0006147f07862bb9fdc 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-cryptoFramework.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-cryptoFramework.md
@@ -2191,6 +2191,8 @@ sign(data : DataBlob) : Promise\<DataBlob>
 | -------------- | ----------- |
 | Promise\<void> | Promise对象 |
 
+**错误码：**
+
 | 错误码ID | 错误信息               |
 | -------- | ---------------------- |
 | 17620001 | memory error.          |