diff --git a/Bootstrap.DataAccess.MongoDB/Exceptions.cs b/Bootstrap.DataAccess.MongoDB/Exceptions.cs
index 0efa19dd..6cfbf64f 100644
--- a/Bootstrap.DataAccess.MongoDB/Exceptions.cs
+++ b/Bootstrap.DataAccess.MongoDB/Exceptions.cs
@@ -9,14 +9,20 @@ namespace Bootstrap.DataAccess.MongoDB
     /// </summary>
     public class Exceptions : DataAccess.Exceptions
     {
+        private static void ClearExceptions()
+        {
+            System.Threading.Tasks.Task.Run(() =>
+            {
+                MongoDbAccessManager.Exceptions.DeleteMany(ex => ex.LogTime < DateTime.Now.AddDays(-7));
+            });
+        }
         /// <summary>
         /// 
         /// </summary>
         /// <returns></returns>
         public override IEnumerable<DataAccess.Exceptions> RetrieveExceptions()
         {
-            var msg = MongoDbAccessManager.DBAccess.GetCollection<DataAccess.Exceptions>("Exceptions");
-            return msg.Find(ex => ex.LogTime >= DateTime.Now.AddDays(-7)).ToList();
+            return MongoDbAccessManager.Exceptions.Find(ex => ex.LogTime >= DateTime.Now.AddDays(-7)).ToList();
         }
     }
 }
diff --git a/Bootstrap.DataAccess.MongoDB/MongoDbAccessManager.cs b/Bootstrap.DataAccess.MongoDB/MongoDbAccessManager.cs
index 04b136f6..7bd270f4 100644
--- a/Bootstrap.DataAccess.MongoDB/MongoDbAccessManager.cs
+++ b/Bootstrap.DataAccess.MongoDB/MongoDbAccessManager.cs
@@ -49,6 +49,16 @@ namespace Bootstrap.DataAccess.MongoDB
         /// <summary>
         /// 
         /// </summary>
+        public static IMongoCollection<DataAccess.Exceptions> Exceptions
+        {
+            get
+            {
+                return DBAccess.GetCollection<DataAccess.Exceptions>("Exceptions");
+            }
+        }
+        /// <summary>
+        /// 
+        /// </summary>
         public static IMongoCollection<User> Users
         {
             get
diff --git a/Bootstrap.DataAccess.SQLite/Exceptions.cs b/Bootstrap.DataAccess.SQLite/Exceptions.cs
index 92208f00..ffeab6fe 100644
--- a/Bootstrap.DataAccess.SQLite/Exceptions.cs
+++ b/Bootstrap.DataAccess.SQLite/Exceptions.cs
@@ -1,5 +1,4 @@
 using Longbow;
-using Longbow.Cache;
 using Longbow.Configuration;
 using Longbow.Data;
 using System;
@@ -33,7 +32,7 @@ namespace Bootstrap.DataAccess.SQLite
         /// <param name="ex"></param>
         /// <param name="additionalInfo"></param>
         /// <returns></returns>
-        public override void Log(Exception ex, NameValueCollection additionalInfo)
+        public override bool Log(Exception ex, NameValueCollection additionalInfo)
         {
             if (additionalInfo == null)
             {
@@ -56,9 +55,9 @@ namespace Bootstrap.DataAccess.SQLite
                 cmd.Parameters.Add(DbAccessManager.DBAccess.CreateParameter("@Message", ex.Message));
                 cmd.Parameters.Add(DbAccessManager.DBAccess.CreateParameter("@StackTrace", DbAdapterManager.ToDBValue(ex.StackTrace)));
                 DbAccessManager.DBAccess.ExecuteNonQuery(cmd);
-                CacheManager.Clear(ExceptionsHelper.RetrieveExceptionsDataKey);
                 ClearExceptions();
             }
+            return true;
         }
         /// <summary>
         /// 查询一周内所有异常
diff --git a/Bootstrap.DataAccess/Exceptions.cs b/Bootstrap.DataAccess/Exceptions.cs
index b43703df..fa377050 100644
--- a/Bootstrap.DataAccess/Exceptions.cs
+++ b/Bootstrap.DataAccess/Exceptions.cs
@@ -1,5 +1,4 @@
-using Longbow.Cache;
-using Longbow.Configuration;
+using Longbow.Configuration;
 using Longbow.Data;
 using System;
 using System.Collections.Generic;
@@ -70,7 +69,7 @@ namespace Bootstrap.DataAccess
         /// <param name="ex"></param>
         /// <param name="additionalInfo"></param>
         /// <returns></returns>
-        public virtual void Log(Exception ex, NameValueCollection additionalInfo)
+        public virtual bool Log(Exception ex, NameValueCollection additionalInfo)
         {
             if (additionalInfo == null)
             {
@@ -93,9 +92,9 @@ namespace Bootstrap.DataAccess
                 cmd.Parameters.Add(DbAccessManager.DBAccess.CreateParameter("@Message", ex.Message));
                 cmd.Parameters.Add(DbAccessManager.DBAccess.CreateParameter("@StackTrace", DbAdapterManager.ToDBValue(ex.StackTrace)));
                 DbAccessManager.DBAccess.ExecuteNonQuery(cmd);
-                CacheManager.Clear(ExceptionsHelper.RetrieveExceptionsDataKey);
                 ClearExceptions();
             }
+            return true;
         }
         /// <summary>
         /// 查询一周内所有异常
diff --git a/Bootstrap.DataAccess/Helper/ExceptionsHelper.cs b/Bootstrap.DataAccess/Helper/ExceptionsHelper.cs
index 85e7ec3e..833e2da2 100644
--- a/Bootstrap.DataAccess/Helper/ExceptionsHelper.cs
+++ b/Bootstrap.DataAccess/Helper/ExceptionsHelper.cs
@@ -21,7 +21,12 @@ namespace Bootstrap.DataAccess
         /// <param name="ex"></param>
         /// <param name="additionalInfo"></param>
         /// <returns></returns>
-        public static void Log(Exception ex, NameValueCollection additionalInfo) => DbAdapterManager.Create<Exceptions>().Log(ex, additionalInfo);
+        public static void Log(Exception ex, NameValueCollection additionalInfo)
+        {
+            var ret = DbAdapterManager.Create<Exceptions>().Log(ex, additionalInfo);
+            if (ret) CacheManager.Clear(RetrieveExceptionsDataKey);
+        }
+
         /// <summary>
         /// 查询一周内所有异常
         /// </summary>