diff --git a/src/mobile/views/cashier/index.vue b/src/mobile/views/cashier/index.vue
index 9b7582c..82c8509 100644
--- a/src/mobile/views/cashier/index.vue
+++ b/src/mobile/views/cashier/index.vue
@@ -21,13 +21,13 @@ const order = computed(() => ({
 // 演示支付方式（mock）— name 由 i18n 按 icon 渲染
 interface PayMethod {
   id: string
-  icon: 'wechat' | 'alipay' | 'union'
+  icon: 'wechat' | 'alipay' | 'union_pay'
   recommend?: boolean
 }
 const payMethods: PayMethod[] = [
   { id: '1', icon: 'wechat', recommend: true },
   { id: '2', icon: 'alipay' },
-  { id: '3', icon: 'union' },
+  { id: '3', icon: 'union_pay' },
 ]
 
 // 支付方式名称（跟随语言）
@@ -302,7 +302,7 @@ onUnmounted(() => {
       background: #1677ff;
     }
 
-    &--union {
+    &--union_pay {
       background: #e60012;
     }
   }
diff --git a/src/pc/views/cashier/Index.vue b/src/pc/views/cashier/Index.vue
index 115b7a1..6f23e97 100644
--- a/src/pc/views/cashier/Index.vue
+++ b/src/pc/views/cashier/Index.vue
@@ -19,13 +19,13 @@ const order = computed(() => ({
 // 演示支付方式（mock）— name 由 i18n 按 icon 渲染
 interface PayMethod {
   id: string
-  icon: 'wechat' | 'alipay' | 'union'
+  icon: 'wechat' | 'alipay' | 'union_pay'
   recommend?: boolean
 }
 const payMethods: PayMethod[] = [
   { id: '1', icon: 'wechat', recommend: true },
   { id: '2', icon: 'alipay' },
-  { id: '3', icon: 'union' },
+  { id: '3', icon: 'union_pay' },
 ]
 
 // 支付方式名称（跟随语言）
@@ -339,7 +339,7 @@ onUnmounted(() => {
   background: #1677ff;
 }
 
-.pc-cashier__method-icon--union {
+.pc-cashier__method-icon--union_pay {
   background: #e60012;
 }
 
diff --git a/src/shared/locales/en-US/cashier.json b/src/shared/locales/en-US/cashier.json
index e4f77dd..593569b 100644
--- a/src/shared/locales/en-US/cashier.json
+++ b/src/shared/locales/en-US/cashier.json
@@ -15,6 +15,6 @@
   "method": {
     "wechat": "WeChat Pay",
     "alipay": "Alipay",
-    "union": "UnionPay"
+    "union_pay": "UnionPay"
   }
 }
diff --git a/src/shared/locales/zh-CN/cashier.json b/src/shared/locales/zh-CN/cashier.json
index 3e5ed81..18a5e98 100644
--- a/src/shared/locales/zh-CN/cashier.json
+++ b/src/shared/locales/zh-CN/cashier.json
@@ -15,6 +15,6 @@
   "method": {
     "wechat": "微信支付",
     "alipay": "支付宝",
-    "union": "银联支付"
+    "union_pay": "银联支付"
   }
 }