[ADD]初始化用户数据

models/migrate.go

@@ -7,4 +7,14 @@ import (
 
 func init()  {
 	util.DB.AutoMigrate(&User{}, &basic.MetaDatabase{}, &basic.Vendor{}, &basic.Business{})
+
+	var count int
+	if err := util.DB.Model(&User{}).Count(&count).Error; err == nil && count == 0 {
+		//新增
+		util.DB.Create(&User{
+			Username: "admin",
+			Password: GetSecretPassword("123456"),
+			Nickname: "管理员",
+		})
+	}
 }