diff --git a/controllers/admin.go b/controllers/admin/admin.go
similarity index 96%
rename from controllers/admin.go
rename to controllers/admin/admin.go
index 815a3cd..20a1c1a 100644
--- a/controllers/admin.go
+++ b/controllers/admin/admin.go
@@ -1,4 +1,4 @@
-package controllers
+package admin
 
 import (
 	"html/template"
diff --git a/controllers/themes.go b/controllers/admin/themes.go
similarity index 95%
rename from controllers/themes.go
rename to controllers/admin/themes.go
index a6f02f8..0423c2e 100644
--- a/controllers/themes.go
+++ b/controllers/admin/themes.go
@@ -1,4 +1,4 @@
-package controllers
+package admin
 
 import (
 	"html/template"
@@ -6,7 +6,7 @@ import (
 
 	"go_blog/config"
 	"go_blog/models"
-	"go_blog/themes"
+	"go_blog/utils"
 
 	"github.com/gin-gonic/gin"
 )
@@ -19,7 +19,7 @@ func ListThemes(c *gin.Context) {
 		c.String(http.StatusInternalServerError, "主题管理器未找到")
 		return
 	}
-	themeManager, ok := tm.(*themes.ThemeManager)
+	themeManager, ok := tm.(*utils.ThemeManager)
 	if !ok {
 		c.String(http.StatusInternalServerError, "主题管理器类型错误")
 		return
@@ -59,7 +59,7 @@ func SwitchTheme(c *gin.Context) {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "主题管理器未找到"})
 		return
 	}
-	themeManager, ok := tm.(*themes.ThemeManager)
+	themeManager, ok := tm.(*utils.ThemeManager)
 	if !ok {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "主题管理器类型错误"})
 		return
diff --git a/controllers/users.go b/controllers/admin/users.go
similarity index 88%
rename from controllers/users.go
rename to controllers/admin/users.go
index 9d43457..95dc807 100644
--- a/controllers/users.go
+++ b/controllers/admin/users.go
@@ -4,13 +4,12 @@
 @File : users.py
 */
 
-package controllers
+package admin
 
 import (
 	"go_blog/models"
 	"go_blog/pkg/util"
-	"go_blog/serializers"
-	"go_blog/themes"
+	"go_blog/utils"
 	"html/template"
 	"net/http"
 
@@ -20,7 +19,7 @@ import (
 
 // 登录
 func UsersLoginHandler(ctx *gin.Context) {
-	var loginUser serializers.Login
+	var loginUser models.Account
 	if err := ctx.ShouldBind(&loginUser); err != nil {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
@@ -45,7 +44,7 @@ func UsersLoginHandler(ctx *gin.Context) {
 		return
 	}
 
-	// 改为设置Session（替代JWT）
+	// 改为设置Session（不使用JWT）
 	session := sessions.Default(ctx)
 	session.Set("user_id", user.ID) // 存储用户ID到Session
 	session.Save()
@@ -63,7 +62,7 @@ func UsersLoginHandler(ctx *gin.Context) {
 
 // 注册
 func UsersRegisterHandler(ctx *gin.Context) {
-	var registerUser serializers.Login
+	var registerUser models.Account
 	if err := ctx.ShouldBind(&registerUser); err != nil {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
@@ -71,8 +70,8 @@ func UsersRegisterHandler(ctx *gin.Context) {
 		}) // 替换 panic 为错误响应
 		return
 	}
-	user := registerUser.GetUser()
-	status := user.CheckDuplicateUsername()
+
+	status := registerUser.CheckDuplicateUsername()
 	if status == false {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
@@ -80,11 +79,15 @@ func UsersRegisterHandler(ctx *gin.Context) {
 		})
 		return
 	}
-	if err := user.SetPassword(user.Password); err != nil {
-		panic(err)
+	if err := registerUser.SetPassword(registerUser.Password); err != nil {
+		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
+			"code": http.StatusBadRequest,
+			"msg":  "密码设置错误: " + err.Error(),
+		})
+		return
 	}
-	user.IsActive = true
-	models.DB.Create(&user)
+	registerUser.IsActive = true
+	models.DB.Create(&registerUser)
 	ctx.JSON(http.StatusOK, gin.H{"code": http.StatusOK, "msg": "注册成功"})
 }
 
@@ -115,7 +118,7 @@ func UsersSetPwdHandler(ctx *gin.Context) {
 		})
 		return
 	}
-	var user serializers.Account
+	var user models.Account
 	if err := ctx.ShouldBindJSON(&user); err != nil {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
@@ -130,21 +133,21 @@ func UsersSetPwdHandler(ctx *gin.Context) {
 		})
 		return
 	}
-	if user.OldPwd == user.NewPwd {
+	if ctx.GetString("OldPwd") == ctx.GetString("NewPwd") {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
 			"msg":  "两次输入的密码相同",
 		})
 		return
 	}
-	if isPwd := currentUser.IsPasswordEqual(user.OldPwd); !isPwd {
+	if isPwd := currentUser.IsPasswordEqual(user.Password); !isPwd {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
 			"msg":  "原密码错误",
 		})
 		return
 	}
-	if err := currentUser.SetPassword(user.NewPwd); err != nil {
+	if err := currentUser.SetPassword(ctx.GetString("NewPwd")); err != nil {
 		ctx.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
 			"code": http.StatusBadRequest,
 			"msg":  err.Error(),
@@ -157,9 +160,8 @@ func UsersSetPwdHandler(ctx *gin.Context) {
 		"msg":  "密码修改成功",
 	})
 }
-
 func UsersListHandler(ctx *gin.Context) {
-	var pager serializers.Pager
+	var pager utils.Pager
 	pager.InitPager(ctx)
 	var users []models.Account
 
@@ -206,7 +208,7 @@ func ShowRegisterPage(c *gin.Context) {
 		c.String(http.StatusInternalServerError, "Theme manager not found")
 		return
 	}
-	themeManager, ok := tm.(*themes.ThemeManager)
+	themeManager, ok := tm.(*utils.ThemeManager)
 	if !ok {
 		c.String(http.StatusInternalServerError, "Invalid theme manager type")
 		return
diff --git a/controllers/home.go b/controllers/home.go
index ee26021..b226117 100644
--- a/controllers/home.go
+++ b/controllers/home.go
@@ -2,7 +2,7 @@ package controllers
 
 import (
 	"go_blog/models"
-	"go_blog/themes" // <-- 确保导入 themes 包
+	"go_blog/utils"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
@@ -15,7 +15,7 @@ func Home(c *gin.Context) {
 		c.String(http.StatusInternalServerError, "Theme manager not found in context")
 		return
 	}
-	themeManager, ok := tm.(*themes.ThemeManager)
+	themeManager, ok := tm.(*utils.ThemeManager)
 	if !ok {
 		c.String(http.StatusInternalServerError, "Invalid theme manager type in context")
 		return
diff --git a/controllers/showpost.go b/controllers/showpost.go
index 27a4bd1..cb5d748 100644
--- a/controllers/showpost.go
+++ b/controllers/showpost.go
@@ -2,7 +2,7 @@ package controllers
 
 import (
 	"go_blog/models"
-	"go_blog/themes" // <-- 确保导入 themes 包
+	"go_blog/utils"
 	"net/http"
 	"strconv"
 
@@ -16,7 +16,7 @@ func ShowPost(c *gin.Context) {
 		c.String(http.StatusInternalServerError, "Theme manager not found")
 		return
 	}
-	themeManager, ok := tm.(*themes.ThemeManager)
+	themeManager, ok := tm.(*utils.ThemeManager)
 	if !ok {
 		c.String(http.StatusInternalServerError, "Invalid theme manager type")
 		return
diff --git a/main.go b/main.go
index be0545f..7d9f692 100644
--- a/main.go
+++ b/main.go
@@ -4,12 +4,11 @@ import (
 	"go_blog/config"
 	"go_blog/models"
 	"go_blog/routers"
+	"go_blog/utils"
 	"log/slog"
 	"os"
 	"time"
 
-	"go_blog/themes"
-
 	"gorm.io/gorm"
 
 	"github.com/gin-contrib/sessions"
@@ -42,7 +41,7 @@ func main() {
 		}
 	}()
 	// 4. 初始化主题系统
-	themeManager := themes.NewManager("web\\themes")
+	themeManager := utils.NewManager("web\\themes")
 	if err := themeManager.LoadTheme(conf.Theme.Current); err != nil {
 		slog.Error("主题系统初始化失败", "error", err)
 		os.Exit(1)
@@ -98,7 +97,7 @@ func configMiddleware(cfg *config.Config) gin.HandlerFunc {
 }
 
 // 主题管理器中间件
-func themeMiddleware(manager *themes.ThemeManager) gin.HandlerFunc {
+func themeMiddleware(manager *utils.ThemeManager) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Set("ThemeManager", manager)
 		c.Next()
diff --git a/models/account.go b/models/account.go
index 005e3be..c278f5f 100644
--- a/models/account.go
+++ b/models/account.go
@@ -70,11 +70,10 @@ func (a *Account) CheckDuplicateUsername() bool {
 	}
 }
 
-// GetAccountByID 根据 ID 查询用户
 func GetAccountByID(id uint) (*Account, error) {
-    var account Account
-    if err := DB.First(&account, id).Error; err != nil {
-        return nil, err
-    }
-    return &account, nil
+	var account Account
+	if err := DB.First(&account, id).Error; err != nil {
+		return nil, err
+	}
+	return &account, nil
 }
diff --git a/routers/router.go b/routers/router.go
index 728dd7d..4b9f37d 100644
--- a/routers/router.go
+++ b/routers/router.go
@@ -3,9 +3,9 @@ package routers // Add the package declaration at the top
 import (
 	"fmt"
 	"go_blog/controllers"
+	"go_blog/controllers/admin"
 	"go_blog/models"
-	"go_blog/serializers"
-	"go_blog/themes" // <-- 确保导入 themes 包
+	"go_blog/utils"
 	"log"
 	"net/http"
 	"strconv"
@@ -73,14 +73,14 @@ func RegisterRoutes(r *gin.Engine) {
 			c.String(http.StatusInternalServerError, "Theme manager not found")
 			return
 		}
-		themeManager, ok := tm.(*themes.ThemeManager)
+		themeManager, ok := tm.(*utils.ThemeManager)
 		if !ok {
 			c.String(http.StatusInternalServerError, "Invalid theme manager type")
 			return
 		}
 
 		var items []models.Content
-		var pager serializers.Pager
+		var pager utils.Pager
 		pager.InitPager(c) // 这会从查询参数中读取 page 和 pageSize
 		offset := (pager.Page - 1) * pager.PageSize
 
@@ -126,7 +126,7 @@ func RegisterRoutes(r *gin.Engine) {
 			c.String(http.StatusInternalServerError, "Theme manager not found")
 			return
 		}
-		themeManager, ok := tm.(*themes.ThemeManager)
+		themeManager, ok := tm.(*utils.ThemeManager)
 		if !ok {
 			c.String(http.StatusInternalServerError, "Invalid theme manager type")
 			return
@@ -157,29 +157,30 @@ func RegisterRoutes(r *gin.Engine) {
 	r.GET("/", controllers.Home)
 	r.GET("/post/:id", controllers.ShowPost)
 
-	admin := r.Group("/admin")
-	admin.Use(CheckAdminAuth())
+	adminGroup := r.Group("/admin")
+	adminGroup.Use(CheckAdminAuth())
 	{
 		// 无需认证的公开路由（登录/注册）
 		// 新增：处理 /admin 根路径跳转
-		admin.GET("/", func(c *gin.Context) {
+		adminGroup.GET("/", func(c *gin.Context) {
+
 			// 由于 CheckAdminAuth 中间件已处理未登录场景，此处用户必定已登录
 			c.Redirect(http.StatusFound, "/admin/index")
 		})
 
-		admin.GET("/login", controllers.ShowLoginPage)
-		admin.GET("/register", controllers.ShowRegisterPage)
-		admin.POST("/login", controllers.UsersLoginHandler)
-		admin.POST("/register", controllers.UsersRegisterHandler)
+		adminGroup.GET("/login", admin.ShowLoginPage)
+		adminGroup.GET("/register", admin.ShowRegisterPage)
+		adminGroup.POST("/login", admin.UsersLoginHandler)
+		adminGroup.POST("/register", admin.UsersRegisterHandler)
 
 		// 需要认证的路由组
-		authAdmin := admin.Group("", SessionAuthRequired())
+		authAdmin := adminGroup.Group("", SessionAuthRequired())
 		{
-			authAdmin.GET("/index", controllers.ShowAdminIndexPage)
-			authAdmin.GET("/themes", controllers.ListThemes)
-			authAdmin.POST("/themes/switch", controllers.SwitchTheme)
-			authAdmin.POST("/setpwd", controllers.UsersSetPwdHandler)
-			admin.GET("/logout", controllers.UsersLogoutHandler) // 添加退出路由
+			authAdmin.GET("/index", admin.ShowAdminIndexPage)
+			authAdmin.GET("/themes", admin.ListThemes)
+			authAdmin.POST("/themes/switch", admin.SwitchTheme)
+			authAdmin.POST("/setpwd", admin.UsersSetPwdHandler)
+			authAdmin.GET("/logout", admin.UsersLogoutHandler) // 添加退出路由
 		}
 	}
 
diff --git a/serializers/account.go b/serializers/account.go
deleted file mode 100644
index 5c47d35..0000000
--- a/serializers/account.go
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-@Time : 2020/6/28 22:16
-@Author : xuyiqing
-@File : users.py
-*/
-
-package serializers
-
-import "go_blog/models"
-
-type Login struct {
-	Username string `form:"username"; json:"username"`
-	Password string `form:"password"; json:"password"`
-}
-
-func (l *Login) GetUser() *models.Account {
-	return &models.Account{
-		Username: l.Username,
-		Password: l.Password,
-	}
-}
-
-type Account struct {
-	Username string `form:"username" json:"username"`
-	OldPwd   string `form:"oldPwd" json:"oldPwd"`
-	NewPwd   string `form:"newPwd"json:"newPwd"`
-}
diff --git a/serializers/pagination.go b/utils/pagination.go
similarity index 59%
rename from serializers/pagination.go
rename to utils/pagination.go
index 2f0d369..47a86b1 100644
--- a/serializers/pagination.go
+++ b/utils/pagination.go
@@ -1,22 +1,17 @@
-/*
-@Time : 2020/7/16 23:44
-@Author : xuyiqing
-@File : common.py
-*/
-
-package serializers
+package utils
 
 import (
-	"github.com/gin-gonic/gin"
 	"strconv"
+
+	"github.com/gin-gonic/gin"
 )
 
 type Pager struct {
-	Page int `json:"page" form:"page"`
+	Page     int `json:"page" form:"page"`
 	PageSize int `json:"pageSize" form:"pageSize"`
-	OffSet int `json:"-"`
-	Total int `json:"total"`
-	MaxPage int `json:"maxPage"`
+	OffSet   int `json:"-"`
+	Total    int `json:"total"`
+	MaxPage  int `json:"maxPage"`
 }
 
 func (p *Pager) InitPager(ctx *gin.Context) {
@@ -26,5 +21,5 @@ func (p *Pager) InitPager(ctx *gin.Context) {
 }
 
 func (p *Pager) GetPager() {
-	p.MaxPage = int(p.Total / p.PageSize) + 1
+	p.MaxPage = int(p.Total/p.PageSize) + 1
 }
diff --git a/themes/manager.go b/utils/thememanager.go
similarity index 99%
rename from themes/manager.go
rename to utils/thememanager.go
index b0329a8..8b17ce7 100644
--- a/themes/manager.go
+++ b/utils/thememanager.go
@@ -1,4 +1,4 @@
-package themes
+package utils
 
 import (
 	"embed"