diff --git a/src/programming/backend/go/Web开发数据库/19Viper配置管理.md b/src/programming/backend/go/Web开发数据库/19Viper配置管理.md
index d731cbd..40736ad 100644
--- a/src/programming/backend/go/Web开发数据库/19Viper配置管理.md
+++ b/src/programming/backend/go/Web开发数据库/19Viper配置管理.md
@@ -260,6 +260,7 @@ import (
 func main() {
     // 1. 设置环境变量前缀
     viper.SetEnvPrefix("MYAPP")  // 自动添加前缀
+    viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
     
     // 2. 绑定环境变量
     viper.BindEnv("port")         // 绑定 MYAPP_PORT
diff --git a/src/programming/backend/go/Web开发数据库/21综合实战项目.md b/src/programming/backend/go/Web开发数据库/21综合实战项目.md
index c2299a7..7c394e6 100644
--- a/src/programming/backend/go/Web开发数据库/21综合实战项目.md
+++ b/src/programming/backend/go/Web开发数据库/21综合实战项目.md
@@ -61,14 +61,19 @@ mkdir go-auth-api && cd go-auth-api
 go mod init go-auth-api
 
 # 安装依赖
-go get -u github.com/gin-gonic/gin
-go get -u gorm.io/gorm
-go get -u gorm.io/driver/sqlite
-go get -u github.com/spf13/viper
-go get -u go.uber.org/zap
-go get -u github.com/golang-jwt/jwt/v4
-go get -u golang.org/x/crypto
-go get -u gopkg.in/natefinch/lumberjack.v2
+go get github.com/gin-gonic/gin@v1.10.0
+go get github.com/gin-contrib/sse@v0.1.0
+go get github.com/go-playground/validator/v10@v10.20.0
+
+go get gorm.io/gorm@v1.25.7
+go get gorm.io/driver/sqlite@v1.5.6
+
+go get github.com/spf13/viper@v1.18.2
+go get github.com/spf13/afero@v1.11.0
+
+go get go.uber.org/zap@v1.27.0
+go get golang.org/x/crypto@v0.21.0
+
 ```
 
 > **版本说明**：代码兼容 Go 1.18+ 版本（建议 1.22+ 体验最佳性能）
@@ -491,10 +496,10 @@ func Login(cfg *Config) gin.HandlerFunc {
 
 // 获取用户信息
 func GetProfile(c *gin.Context) {
-    userID := c.GetUint("user_id")
+    userID, _ := c.Get("user_id")
     
     var user User
-    if err := DB.First(&user, userID).Error; err != nil {
+    if err := DB.First(&user, userID.(uint)).Error; err != nil {
         c.JSON(404, gin.H{"error": "User not found"})
         return
     }
@@ -504,7 +509,7 @@ func GetProfile(c *gin.Context) {
 
 // 更新用户信息
 func UpdateProfile(c *gin.Context) {
-    userID := c.GetUint("user_id")
+    userID, _ := c.Get("user_id")
     
     var req struct {
         Name  string `json:"name"`
@@ -517,13 +522,13 @@ func UpdateProfile(c *gin.Context) {
         return
     }
     
-    if err := DB.Model(&User{}).Where("id = ?", userID).Updates(req).Error; err != nil {
+    if err := DB.Model(&User{}).Where("id = ?", userID.(uint)).Updates(req).Error; err != nil {
         Logger.Error("Failed to update user", zap.Error(err))
         c.JSON(500, gin.H{"error": "Failed to update profile"})
         return
     }
     
-    Logger.Info("User profile updated", zap.Uint("user_id", userID))
+    Logger.Info("User profile updated", zap.Uint("user_id", userID.(uint)))
     c.JSON(200, gin.H{"message": "Profile updated successfully"})
 }
 
@@ -563,8 +568,8 @@ type Config struct {
     } `mapstructure:"database"`
     
     JWT struct {
-        Secret int `mapstructure:"secret"`
-        Expire int `mapstructure:"expire"`
+        Secret string `mapstructure:"secret"`
+        Expire int    `mapstructure:"expire"`
     } `mapstructure:"jwt"`
     
     Logging struct {
@@ -714,7 +719,7 @@ func main() {
     protected.Use(AuthMiddleware(cfg))
     {
         protected.GET("/profile", GetProfile)
-        protected.PUT("/profile", UpdateProfile(cfg))
+        protected.PUT("/profile", UpdateProfile)
     }
     
     // 启动服务器