diff --git a/backend/internal/handler/admin/account_handler.go b/backend/internal/handler/admin/account_handler.go
index dadecbc0..a735d5c0 100644
--- a/backend/internal/handler/admin/account_handler.go
+++ b/backend/internal/handler/admin/account_handler.go
@@ -938,6 +938,9 @@ func (h *AccountHandler) BatchCreate(c *gin.Context) {
 				continue
 			}
 
+			// base_rpm 输入校验：负值归零，超过 10000 截断
+			sanitizeExtraBaseRPM(item.Extra)
+
 			skipCheck := item.ConfirmMixedChannelRisk != nil && *item.ConfirmMixedChannelRisk
 
 			account, err := h.adminService.CreateAccount(ctx, &service.CreateAccountInput{