diff --git a/backend/dvadmin/system/views/login.py b/backend/dvadmin/system/views/login.py
index da39cf2..c51ed64 100644
--- a/backend/dvadmin/system/views/login.py
+++ b/backend/dvadmin/system/views/login.py
@@ -28,6 +28,13 @@ from dvadmin.utils.validator import CustomValidationError
 logger = logging.getLogger(__name__)
 
 
+def _is_supplier_portal_role_key(role_key: str) -> bool:
+    """供应商端登录：允许 role.key 为 supplier 或 supplier_*（如 supplier_quote）。"""
+    if not role_key:
+        return False
+    return role_key == "supplier" or role_key.startswith("supplier_")
+
+
 class CaptchaView(APIView):
     authentication_classes = []
     permission_classes = []
@@ -143,7 +150,7 @@ class LoginSerializer(TokenObtainPairSerializer):
 class SupplierLoginSerializer(TokenObtainPairSerializer):
     """
     供应商登录的序列化器
-    复用 LoginSerializer 的验证逻辑，额外校验 role.key = 'supplier'
+    复用 LoginSerializer 的验证逻辑，额外校验 role.key 为 supplier 或 supplier_*（如 supplier_quote）
     """
     captcha = serializers.CharField(
         max_length=6, required=False, allow_null=True, allow_blank=True
@@ -189,10 +196,10 @@ class SupplierLoginSerializer(TokenObtainPairSerializer):
         # 必须重置用户名为username,否则使用邮箱手机号登录会提示密码错误
         attrs['username'] = user.username
 
-        # 校验用户角色是否为供应商
+        # 校验用户角色是否为供应商（含 supplier_quote 等 supplier_*）
         user_roles = user.role.all()
         role_keys = [r.key for r in user_roles]
-        if 'supplier' not in role_keys:
+        if not any(_is_supplier_portal_role_key(k) for k in role_keys):
             raise CustomValidationError("该账号不是供应商账号，请使用采购方入口登录")
 
         try:
diff --git a/web/src/views/pisadmin/dashboard/index.vue b/web/src/views/pisadmin/dashboard/index.vue
index d8b8a64..e1a8d04 100644
--- a/web/src/views/pisadmin/dashboard/index.vue
+++ b/web/src/views/pisadmin/dashboard/index.vue
@@ -8,7 +8,7 @@
       </el-radio-group>
     </div>
     <BuyerDashboard v-if="currentRole === 'buyer'" />
-    <SupplierDashboard v-else-if="currentRole === 'supplier'" />
+    <SupplierDashboard v-else-if="isSupplierDashboardRole(currentRole)" />
   </div>
 </template>
 
@@ -27,6 +27,10 @@ const { buyer, supplier } = storeToRefs(store);
 
 const currentRole = ref('buyer');
 
+/** 供应商侧仪表盘：角色标识为 supplier_*（如 supplier_quote），兼容历史值 supplier */
+const isSupplierDashboardRole = (role: string) =>
+  role === 'supplier' || /^supplier_/.test(role);
+
 const hasBuyerRole = computed(() => !!buyer.value);
 const hasSupplierRole = computed(() => !!supplier.value);
 const hasBothRoles = computed(() => hasBuyerRole.value && hasSupplierRole.value);
@@ -46,10 +50,10 @@ onMounted(() => {
 });
 
 // 如果只有采购方权限，默认 buyer
-// 如果只有供应商权限，默认 supplier
+// 如果只有供应商权限，默认 supplier_*（当前为 supplier_quote）
 // 初始化时确保 currentRole 与可用角色匹配
 if (!hasBuyerRole.value && hasSupplierRole.value) {
-  currentRole.value = 'supplier';
+  currentRole.value = 'supplier_quote';
 }
 
 // 如果后端返回了数据但 currentRole 不匹配角色，则默认 buyer
@@ -61,13 +65,13 @@ if (hasBuyerRole.value && !hasBothRoles.value) {
 watch([hasBuyerRole, hasSupplierRole], () => {
   if (hasBothRoles.value) {
     // 双方角色，默认 buyer
-    if (currentRole.value !== 'buyer' && currentRole.value !== 'supplier') {
+    if (currentRole.value !== 'buyer' && !isSupplierDashboardRole(currentRole.value)) {
       currentRole.value = 'buyer';
     }
   } else if (hasBuyerRole.value) {
     currentRole.value = 'buyer';
   } else if (hasSupplierRole.value) {
-    currentRole.value = 'supplier';
+    currentRole.value = 'supplier_quote';
   }
 });