diff --git a/src/typings/api.d.ts b/src/typings/api.d.ts
index dc9f571..244367c 100644
--- a/src/typings/api.d.ts
+++ b/src/typings/api.d.ts
@@ -723,7 +723,8 @@ declare namespace Api {
   }
   namespace KYC {
     /** KYC status enum */
-    type KYCStatus = 0 | 1 | 2; // 0: 未认证, 1: 认证中, 2: 已认证
+    type KYCStatus = 'UNVERIFIED' | 'PENDING' | 'VERIFIED' | 'REJECTED' |
+      'unverified' | 'pending' | 'verified' | 'rejected'; // 支持大小写
 
     /** KYC info */
     interface KYCInfo {