diff --git a/handlers/post.go b/handlers/post.go
index e92cb72..a77a2c3 100644
--- a/handlers/post.go
+++ b/handlers/post.go
@@ -264,7 +264,10 @@ func UpdatePost(c *gin.Context) {
 			})
 			tags = append(tags, tag)
 		}
-		database.DB.Model(&post).Association("Tags").Replace(tags)
+		if err := database.DB.Model(&post).Association("Tags").Replace(tags); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "更新文章标签失败"})
+			return
+		}
 	}
 
 	if err := database.DB.Model(&post).Updates(updates).Error; err != nil {
diff --git a/handlers/theme.go b/handlers/theme.go
index 1009230..8cac482 100644
--- a/handlers/theme.go
+++ b/handlers/theme.go
@@ -147,7 +147,7 @@ func CreateTheme(c *gin.Context) {
 	}
 
 	// 创建主题目录
-	if err := os.MkdirAll(themePath, 0755); err != nil {
+	if err := os.MkdirAll(themePath, 0700); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{
 			"error": "创建主题目录失败",
 		})
@@ -411,7 +411,7 @@ func SaveThemeFile(c *gin.Context) {
 	}
 
 	// 保存文件
-	if err := os.WriteFile(filePath, []byte(req.Content), 0644); err != nil {
+	if err := os.WriteFile(filePath, []byte(req.Content), 0600); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{
 			"error": "保存文件失败",
 		})
diff --git a/handlers/view.go b/handlers/view.go
index 84b7c4e..745b6fe 100644
--- a/handlers/view.go
+++ b/handlers/view.go
@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"html/template"
 	"log/slog"
 	"math"
 	"net/http"
@@ -11,7 +10,6 @@ import (
 	"goblog/config"
 	"goblog/database"
 	"goblog/models"
-	"goblog/utils"
 
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
@@ -27,21 +25,6 @@ func loadSidebarData() (categories []models.Category, tags []models.Tag, postCou
 	return
 }
 
-func templateFuncs() template.FuncMap {
-	return template.FuncMap{
-		"add": func(a, b int) int {
-			return a + b
-		},
-		"sub": func(a, b int) int {
-			return a - b
-		},
-		"html": func(s string) template.HTML {
-			return template.HTML(s)
-		},
-		"markdown": utils.RenderMarkdown,
-	}
-}
-
 // 首页
 type IndexData struct {
 	Title       string
@@ -79,7 +62,7 @@ func IndexView(c *gin.Context) {
 		Where("status = ?", "published")
 
 	userId, exists := c.Get("userID")
-	userId, exists = 1, true
+
 	if exists {
 		db = db.Or("author_id = ?", userId)
 	}
diff --git a/middleware/auth.go b/middleware/auth.go
index 14872bd..7a92bf4 100644
--- a/middleware/auth.go
+++ b/middleware/auth.go
@@ -21,7 +21,7 @@ func JWTAuth() gin.HandlerFunc {
 		}
 
 		parts := strings.SplitN(authHeader, " ", 2)
-		if !(len(parts) == 2 && parts[0] == "Bearer") {
+		if len(parts) != 2 || parts[0] != "Bearer" {
 			c.JSON(http.StatusUnauthorized, gin.H{"error": "认证格式错误"})
 			c.Abort()
 			return
diff --git a/utils/templateRenderer.go b/utils/templateRenderer.go
index 30fdbb6..62e19ce 100644
--- a/utils/templateRenderer.go
+++ b/utils/templateRenderer.go
@@ -118,10 +118,11 @@ func (r *TemplateRenderer) reload(theme string) {
 
 	for _, pageName := range pages {
 		// 加载 base.html、对应页面模板以及所有公共局部模板
-		allFiles := []string{
-			templateDir + "/base.html",
-			templateDir + "/" + pageName + ".html",
-		}
+		allFiles := make([]string, 0, 2+len(partials))
+		allFiles = append(allFiles,
+			templateDir+"/base.html",
+			templateDir+"/"+pageName+".html",
+		)
 		allFiles = append(allFiles, partials...)
 
 		// 解析模板文件