diff --git a/Falcon.SugarApi/Encryption/AESConfig.cs b/Falcon.SugarApi/Encryption/AESConfig.cs
index 30ecb6e..1e9627b 100644
--- a/Falcon.SugarApi/Encryption/AESConfig.cs
+++ b/Falcon.SugarApi/Encryption/AESConfig.cs
@@ -11,5 +11,10 @@
         /// 秘钥长度。最大32
         /// </summary>
         public int KeyLength { get => keyLength; set => keyLength = value > 32 ? 32 : value; }
+
+        /// <summary>
+        /// 秘钥字符表
+        /// </summary>
+        public string KeyChars { get; set; } = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789,.!/*\";
     }
 }
diff --git a/Falcon.SugarApi/Encryption/AESProvider.cs b/Falcon.SugarApi/Encryption/AESProvider.cs
index 47dc7e9..082eb30 100644
--- a/Falcon.SugarApi/Encryption/AESProvider.cs
+++ b/Falcon.SugarApi/Encryption/AESProvider.cs
@@ -73,7 +73,7 @@ namespace Falcon.SugarApi.Encryption
 
         /// <inheritdoc/>
         public string GenerateKey() {
-            var chars = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789,.!/*\";
+            var chars = this.Config.KeyChars;
             var r = new Random();
             var len = this.Config.KeyLength;
             var sb = new StringBuilder(len);