diff --git a/backend/internal/database/database.go b/backend/internal/database/database.go
index 9ad9555..6236ba6 100644
--- a/backend/internal/database/database.go
+++ b/backend/internal/database/database.go
@@ -330,6 +330,14 @@ func initData() {
 		DB.Create(&agentUser)
 	}
 
+	// 迁移：将 developer 角色统一为 admin
+	var developerCount int64
+	DB.Model(&model.User{}).Where("role = ?", "developer").Count(&developerCount)
+	if developerCount > 0 {
+		log.Printf("Migrating %d developer users to admin role...", developerCount)
+		DB.Model(&model.User{}).Where("role = ?", "developer").Update("role", "admin")
+	}
+
 	// 清理没有关联应用的云端常量和变量
 	var orphanConstants int64
 	DB.Model(&model.CloudConstant{}).Where("app_id IS NULL").Count(&orphanConstants)