diff --git a/backend/internal/modules/listing/dto.go b/backend/internal/modules/listing/dto.go
index 628bed1..c6c65c6 100644
--- a/backend/internal/modules/listing/dto.go
+++ b/backend/internal/modules/listing/dto.go
@@ -35,7 +35,7 @@ type CreateRequest struct {
 	Title          string         `json:"title" binding:"required"`
 	Description    string         `json:"description"`
 	ServerRegion   string         `json:"server_region" binding:"required"`
-	LoginPlatform  string         `json:"login_platform" binding:"required"`
+	LoginPlatform  string         `json:"login_platform"`
 	RankLevel      string         `json:"rank_level"`
 	HafCoinAmount  int64          `json:"haf_coin_amount"`
 	AssetSummary   map[string]any `json:"asset_summary"`
diff --git a/backend/internal/modules/listing/service.go b/backend/internal/modules/listing/service.go
index e7fb1eb..7d320e5 100644
--- a/backend/internal/modules/listing/service.go
+++ b/backend/internal/modules/listing/service.go
@@ -139,7 +139,7 @@ func (s *Service) FindMine(ownerID uint64, id uint64) (*ListingDTO, error) {
 }
 
 func validateRequest(req CreateRequest) error {
-	if req.Title == "" || req.ServerRegion == "" || req.LoginPlatform == "" {
+	if req.Title == "" || req.ServerRegion == "" {
 		return ErrInvalidInput
 	}
 	if req.PriceHourly <= 0 || req.DepositAmount < 0 {
diff --git a/frontend/src/views/mobile/MobileSellerListingCreateView.vue b/frontend/src/views/mobile/MobileSellerListingCreateView.vue
index e88f7e7..e565145 100644
--- a/frontend/src/views/mobile/MobileSellerListingCreateView.vue
+++ b/frontend/src/views/mobile/MobileSellerListingCreateView.vue
@@ -35,7 +35,7 @@ const form = reactive({
   season_insurance: "",
   stamina_level: "",
   load_level: "",
-  login_method: "账号密码",
+  login_method: "",
   online_start: "",
   online_end: "",
   ban_record: "",
@@ -196,7 +196,7 @@ async function handleSubmit() {
       title,
       description: form.remark,
       server_region: form.server_region,
-      login_platform: form.login_method || "扫码",
+      login_platform: form.login_method,
       rank_level: form.rank_level,
       haf_coin_amount: Number(form.haf_coin_amount) * 10000,
       asset_summary: buildAssetSummary(),