diff --git a/es/service/ali/Sms.d.ts b/es/service/ali/Sms.d.ts
index 73c4221..0fd9544 100644
--- a/es/service/ali/Sms.d.ts
+++ b/es/service/ali/Sms.d.ts
@@ -8,8 +8,8 @@ type SendSmsRequest = {
     outId?: string;
 };
 type DescribeSmsTemplateListRequest = {
-    PageIndex: number;
-    PageSize: number;
+    pageIndex: number;
+    pageSize: number;
 };
 export declare class AliSmsInstance {
     accessKeyId: string;
diff --git a/es/service/ali/Sms.js b/es/service/ali/Sms.js
index 4dd48ff..015b973 100644
--- a/es/service/ali/Sms.js
+++ b/es/service/ali/Sms.js
@@ -42,11 +42,11 @@ export class AliSmsInstance {
         }
     }
     async syncTemplate(params) {
-        const { PageIndex, PageSize } = params;
+        const { pageIndex, pageSize } = params;
         try {
             let querySmsTemplateListRequest = new $Dysmsapi20170525.QuerySmsTemplateListRequest({
-                PageIndex,
-                PageSize,
+                pageIndex,
+                pageSize,
             });
             const result = await this.client.querySmsTemplateListWithOptions(querySmsTemplateListRequest, new $Util.RuntimeOptions({}));
             const { statusCode, body } = result;
diff --git a/lib/service/ali/Sms.d.ts b/lib/service/ali/Sms.d.ts
index 73c4221..0fd9544 100644
--- a/lib/service/ali/Sms.d.ts
+++ b/lib/service/ali/Sms.d.ts
@@ -8,8 +8,8 @@ type SendSmsRequest = {
     outId?: string;
 };
 type DescribeSmsTemplateListRequest = {
-    PageIndex: number;
-    PageSize: number;
+    pageIndex: number;
+    pageSize: number;
 };
 export declare class AliSmsInstance {
     accessKeyId: string;
diff --git a/lib/service/ali/Sms.js b/lib/service/ali/Sms.js
index 6c05fc9..6b9c053 100644
--- a/lib/service/ali/Sms.js
+++ b/lib/service/ali/Sms.js
@@ -46,11 +46,11 @@ class AliSmsInstance {
         }
     }
     async syncTemplate(params) {
-        const { PageIndex, PageSize } = params;
+        const { pageIndex, pageSize } = params;
         try {
             let querySmsTemplateListRequest = new $Dysmsapi20170525.QuerySmsTemplateListRequest({
-                PageIndex,
-                PageSize,
+                pageIndex,
+                pageSize,
             });
             const result = await this.client.querySmsTemplateListWithOptions(querySmsTemplateListRequest, new $Util.RuntimeOptions({}));
             const { statusCode, body } = result;
diff --git a/src/service/ali/Sms.ts b/src/service/ali/Sms.ts
index 598ba28..7148ea4 100644
--- a/src/service/ali/Sms.ts
+++ b/src/service/ali/Sms.ts
@@ -20,8 +20,8 @@ type SendSmsResponse = {
 };
 
 type DescribeSmsTemplateListRequest = {
-    PageIndex: number;
-    PageSize: number;
+    pageIndex: number;
+    pageSize: number;
 };
 
 
@@ -80,13 +80,13 @@ export class AliSmsInstance {
         }
     }
     async syncTemplate(params: DescribeSmsTemplateListRequest) {
-        const { PageIndex, PageSize } = params;
+        const { pageIndex, pageSize } = params;
 
         try {
             let querySmsTemplateListRequest =
                 new $Dysmsapi20170525.QuerySmsTemplateListRequest({
-                    PageIndex,
-                    PageSize,
+                    pageIndex,
+                    pageSize,
                 });
             const result = await this.client.querySmsTemplateListWithOptions(
                 querySmsTemplateListRequest,