diff --git a/Lazy.Captcha.Core/DefaultCaptcha.cs b/Lazy.Captcha.Core/DefaultCaptcha.cs
index 98ad2750b5d7d527231e3a1bfb019bb746f3d45b..4c2e16f84fe160e3f4e09d5d0bb5cf78f02c2e94 100644
--- a/Lazy.Captcha.Core/DefaultCaptcha.cs
+++ b/Lazy.Captcha.Core/DefaultCaptcha.cs
@@ -56,8 +56,9 @@ namespace Lazy.Captcha.Core
         /// <param name="captchaId">验证码id</param>
         /// <param name="code">用户输入的验证码</param>
         /// <param name="removeIfSuccess">校验成功时是否移除缓存(用于多次验证)</param>
+        /// <param name="removeIfFail">校验失败时是否移除缓存</param>
         /// <returns></returns>
-        public virtual bool Validate(string captchaId, string code, bool removeIfSuccess = true)
+        public virtual bool Validate(string captchaId, string code, bool removeIfSuccess = true,bool removeIfFail = true)
         {
             var val = _storage.Get(captchaId);
             var comparisonType = _options.IgnoreCase ? StringComparison.CurrentCultureIgnoreCase : StringComparison.CurrentCulture;
@@ -65,7 +66,7 @@ namespace Lazy.Captcha.Core
                           !string.IsNullOrWhiteSpace(val) && 
                           string.Equals(val, code, comparisonType);
 
-            if (!success || (success && removeIfSuccess))
+            if ((!success && removeIfFail) || (success && removeIfSuccess))
             {
                 _storage.Remove(captchaId);
             }
diff --git a/Lazy.Captcha.Core/ICaptcha.cs b/Lazy.Captcha.Core/ICaptcha.cs
index 54ace6409d6b7292dedb200ba677f6a332690e4c..d37a808ddd1ae736b105da17022f08dea7e2538a 100644
--- a/Lazy.Captcha.Core/ICaptcha.cs
+++ b/Lazy.Captcha.Core/ICaptcha.cs
@@ -22,7 +22,8 @@ namespace Lazy.Captcha.Core
         /// <param name="captchaId">楠岃瘉鐮乮d</param>
         /// <param name="code">鐢ㄦ埛杈撳叆鐨勯獙璇佺爜</param>
         /// <param name="removeIfSuccess">鏍￠獙鎴愬姛鏃舵槸鍚︾Щ闄ょ紦瀛�(鐢ㄤ簬澶氭楠岃瘉)</param>
+        /// <param name="removeIfFail">鏍￠獙澶辫触鏃舵槸鍚︾Щ闄�</param>
         /// <returns></returns>
-        bool Validate(string captchaId, string code, bool removeIfSuccess = true);
+        bool Validate(string captchaId, string code, bool removeIfSuccess = true, bool removeIfFail = true);
     }
 }