diff --git a/Models/DataBase/Config.cs b/Models/DataBase/Config.cs
index f18c5c1..60ebf8b 100644
--- a/Models/DataBase/Config.cs
+++ b/Models/DataBase/Config.cs
@@ -14,4 +14,5 @@ public class Config : BaseModel
 
     [StringLength(255)]
     public string Description { get; set; } = string.Empty;
+    public bool IsSecret { get; set; } = false;
 }
\ No newline at end of file
diff --git a/Models/Request/Config/SetConfigRequest.cs b/Models/Request/Config/SetConfigRequest.cs
index 1fdf2fa..033705a 100644
--- a/Models/Request/Config/SetConfigRequest.cs
+++ b/Models/Request/Config/SetConfigRequest.cs
@@ -12,4 +12,6 @@ public record SetConfigRequest
     
     [StringLength(255, ErrorMessage = "描述长度不能超过255个字符")]
     public string? Description { get; set; }
+    
+    public bool? IsSecret { get; set; }
 }
diff --git a/Services/Configuration/ConfigService.cs b/Services/Configuration/ConfigService.cs
index 556d636..c865a66 100644
--- a/Services/Configuration/ConfigService.cs
+++ b/Services/Configuration/ConfigService.cs
@@ -70,13 +70,39 @@ public class ConfigService(
     public async Task<Config?> GetConfigAsync(string key)
     {
         await using var context = await contextFactory.CreateDbContextAsync();
-        return await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+        var config = await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+        
+        // 如果配置是私密的，返回值设为空字符串
+        if (config?.IsSecret == true)
+        {
+            // 创建一个新的实例，避免修改数据库中的值
+            var displayConfig = new Config
+            {
+                Id = config.Id,
+                Key = config.Key,
+                Value = string.Empty, // 私密配置的值设为空
+                Description = config.Description,
+                IsSecret = config.IsSecret,
+                CreatedAt = config.CreatedAt,
+                UpdatedAt = config.UpdatedAt
+            };
+            return displayConfig;
+        }
+        
+        return config;
     }
 
     public async Task<List<Config>> GetAllConfigsAsync()
     {
         await using var context = await contextFactory.CreateDbContextAsync();
-        return await context.Configs.OrderBy(c => c.Key).ToListAsync();
+        var configs = await context.Configs.OrderBy(c => c.Key).ToListAsync();
+        
+        foreach (var config in configs.Where(c => c.IsSecret))
+        {
+            config.Value = string.Empty;
+        }
+        
+        return configs;
     }
 
     public async Task<Config> SetConfigAsync(string key, string value, string? description = null)
@@ -90,12 +116,12 @@ public class ConfigService(
 
         if (config == null)
         {
-            // 创建新配置
             config = new Config
             {
                 Key = key,
                 Value = value,
                 Description = description ?? string.Empty,
+                IsSecret = false,
                 CreatedAt = DateTime.UtcNow,
                 UpdatedAt = DateTime.UtcNow
             };
@@ -104,8 +130,11 @@ public class ConfigService(
         }
         else
         {
-            // 更新现有配置
-            config.Value = value;
+            if (!(config.IsSecret && string.IsNullOrEmpty(value)))
+            {
+                config.Value = value;
+            }
+            
             if (description != null)
             {
                 config.Description = description;
@@ -113,7 +142,10 @@ public class ConfigService(
             config.UpdatedAt = DateTime.UtcNow;
         }
         await context.SaveChangesAsync();
-        memoryCache.Set($"config:{key}", value, _cacheExpiration);
+        if (!config.IsSecret)
+        {
+            memoryCache.Set($"config:{key}", value, _cacheExpiration);
+        }
         return config;
     }
 
diff --git a/Services/Configuration/IConfigService.cs b/Services/Configuration/IConfigService.cs
index 8fcd560..52f3e91 100644
--- a/Services/Configuration/IConfigService.cs
+++ b/Services/Configuration/IConfigService.cs
@@ -5,19 +5,13 @@ namespace Foxel.Services.Configuration;
 public interface IConfigService
 {
     string this[string key] { get; }
-    
     Task<string?> GetValueAsync(string key);
     Task<T?> GetValueAsync<T>(string key, T? defaultValue = default);
     Task<Config?> GetConfigAsync(string key);
     Task<List<Config>> GetAllConfigsAsync();
-    
     Task<Config> SetConfigAsync(string key, string value, string? description = null);
-    
     Task<bool> DeleteConfigAsync(string key);
-    
     Task<bool> ExistsAsync(string key);
-    
     Task<Dictionary<string, string>> BackupConfigsAsync();
-    
     Task<bool> RestoreConfigsAsync(Dictionary<string, string> configBackup);
 }