diff --git a/src/pages/distributor/merchant/index.jsx b/src/pages/distributor/merchant/index.jsx
index b9d63df6..121e4edd 100644
--- a/src/pages/distributor/merchant/index.jsx
+++ b/src/pages/distributor/merchant/index.jsx
@@ -31,7 +31,7 @@ export default function Merchant() {
     app_id: [{ type: "required", message: "请输入应用ID" }],
     pos_id: [{ type: "required", message: "请输入平台ID" }],
     store_id: [{ type: "required", message: "请输入店铺ID" }],
-    secret_key: [{ type: "required", message: "请输入偏移量" }],
+    secret_key: [{ type: "required", message: "请输入SM4秘钥" }],
     merchant_public_key: [{ type: "required", message: "请输入商户公钥" }],
     notify_url: [
       { type: "required", message: "请输入商户回调通知网关地址" },
@@ -147,15 +147,14 @@ export default function Merchant() {
               </FormItem>
             ) : null}
             {state.api_mode === 2 ? (
-              <FormItem labelname="偏移量" prop="secret_key">
+              <FormItem labelname="SM4秘钥" prop="secret_key">
                 <Ipt
                   onChange={(value) => setState({ ...state, secret_key: value })}
                   onClearItem={() => setState({ ...state, secret_key: "" })}
                   countShow={false}
                   value={state.secret_key}
-                  placeholder={"请输入偏移量"}
+                  placeholder={"请输入SM4秘钥"}
                   labelWidth={"0px"}
-                  maxLength={20}
                   height={"36px"}
                   width={"520px"}
                   alignment={"left"}