diff --git a/src/main/ui/static/payment/partner/templates/new_apply_wx_sub_merchant_id.html b/src/main/ui/static/payment/partner/templates/new_apply_wx_sub_merchant_id.html
index de2ec9660..97850b1db 100644
--- a/src/main/ui/static/payment/partner/templates/new_apply_wx_sub_merchant_id.html
+++ b/src/main/ui/static/payment/partner/templates/new_apply_wx_sub_merchant_id.html
@@ -11,10 +11,10 @@
                                 <label class="control-label col-sm-3" for="merchant_name_input">* Merchant Name</label>
                                 <div class="col-sm-8">
                                     <input class="form-control" ng-model="subMerchantInfo.company_name"
-                                           type="text" name="merchant_name" id="merchant_name_input" required maxlength="50">
+                                           type="text" name="merchant_name" id="merchant_name_input" required maxlength="128">
                                     <div ng-messages="subForm.merchant_name.$error" ng-if="subForm.merchant_name.$dirty">
                                         <p class="small text-danger" ng-message="required">Required Field</p>
-                                        <p class="small text-danger" ng-message="maxlength">Length is more than 50</p>
+                                        <p class="small text-danger" ng-message="maxlength">Length is more than 128</p>
                                     </div>
                                 </div>
                             </div>
@@ -43,10 +43,10 @@
                                 <label class="control-label col-sm-3" for="merchant_storename_input">* Merchant Short Name</label>
                                 <div class="col-sm-8">
                                     <input class="form-control" ng-model="subMerchantInfo.short_name"
-                                           type="text" name="merchant_storename" id="merchant_storename_input" required maxlength="20">
+                                           type="text" name="merchant_storename" id="merchant_storename_input" required maxlength="64">
                                     <div ng-messages="subForm.merchant_storename.$error" ng-if="subForm.merchant_storename.$dirty">
                                         <p class="small text-danger" ng-message="required">Required Field</p>
-                                        <p class="small text-danger" ng-message="maxlength">Length is more than 20</p>
+                                        <p class="small text-danger" ng-message="maxlength">Length is more than 64</p>
                                     </div>
                                 </div>
                             </div>
diff --git a/src/main/ui/static/payment/partner/templates/update_apply_wx_sub_merchant_id.html b/src/main/ui/static/payment/partner/templates/update_apply_wx_sub_merchant_id.html
index 5502868db..821e07160 100644
--- a/src/main/ui/static/payment/partner/templates/update_apply_wx_sub_merchant_id.html
+++ b/src/main/ui/static/payment/partner/templates/update_apply_wx_sub_merchant_id.html
@@ -11,10 +11,10 @@
                                 <label class="control-label col-sm-3" for="merchant_name_input">* Merchant Name</label>
                                 <div class="col-sm-8">
                                     <input class="form-control" ng-model="subMerchantInfo.company_name" disabled="disabled"
-                                           type="text" name="merchant_name" id="merchant_name_input" required maxlength="50">
+                                           type="text" name="merchant_name" id="merchant_name_input" required maxlength="128">
                                     <div ng-messages="subForm.merchant_name.$error" ng-if="subForm.merchant_name.$dirty">
                                         <p class="small text-danger" ng-message="required">Required Field</p>
-                                        <p class="small text-danger" ng-message="maxlength">Length is more than 50</p>
+                                        <p class="small text-danger" ng-message="maxlength">Length is more than 128</p>
                                     </div>
                                 </div>
                             </div>
@@ -43,10 +43,10 @@
                                 <label class="control-label col-sm-3" for="merchant_storename_input">* Merchant Short Name</label>
                                 <div class="col-sm-8">
                                     <input class="form-control" ng-model="subMerchantInfo.short_name"
-                                           type="text" name="merchant_storename" id="merchant_storename_input" required maxlength="20">
+                                           type="text" name="merchant_storename" id="merchant_storename_input" required maxlength="64">
                                     <div ng-messages="subForm.merchant_storename.$error" ng-if="subForm.merchant_storename.$dirty">
                                         <p class="small text-danger" ng-message="required">Required Field</p>
-                                        <p class="small text-danger" ng-message="maxlength">Length is more than 20</p>
+                                        <p class="small text-danger" ng-message="maxlength">Length is more than 64</p>
                                     </div>
                                 </div>
                             </div>