diff --git "a/\350\223\235\346\231\223\346\242\205/WebApi07.Util/Log/LogHelper.cs" "b/\350\223\235\346\231\223\346\242\205/WebApi07.Util/Log/LogHelper.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..5527914f1c95b4b9d5831596465e6f206f81049a
--- /dev/null
+++ "b/\350\223\235\346\231\223\346\242\205/WebApi07.Util/Log/LogHelper.cs"
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Text;
+using WepApi07.Data.Entity;
+using WepApi07.Domain;
+using WepApi07.Domain.Enum;
+using WepApi07.Intenface.Log;
+
+namespace WepApi07.Util.Log
+{
+    public static class LogHelper
+    {
+        public static void Logger(this IResponsitory<Logs> log, Exception exception, LogsLevel logsLevel, int userId = 0)
+        {
+            var item = new Logs
+            {
+                LogLevel = (int)logsLevel,
+                ShortMessage = exception.Message,
+                FullMessage = exception.ToString(),
+                UserId=userId
+            };
+            log.Insert(item);
+        }
+        public static void Info(this IResponsitory<Logs> log, Exception exception, LogsLevel logsLevel = LogsLevel.信息, int userId = 0)
+        {
+            Logger(log,exception, logsLevel, userId);
+
+
+        }
+
+        public static void Debug(this IResponsitory<Logs> log, Exception exception, LogsLevel logsLevel = LogsLevel.调试, int userId = 0)
+        {
+            Logger(log, exception, logsLevel, userId);
+        }
+
+        public static void Error(this IResponsitory<Logs> log, Exception exception, LogsLevel logsLevel = LogsLevel.错误, int userId = 0)
+        {
+            Logger(log, exception, logsLevel, userId);
+        }
+
+        public static void Fatal(this IResponsitory<Logs> log, Exception exception, LogsLevel logsLevel = LogsLevel.崩溃, int userId = 0)
+        {
+            Logger(log, exception, logsLevel, userId);
+        }
+    }
+}
diff --git "a/\350\223\235\346\231\223\346\242\205/WepApi07.Implement/Log/Log.cs" "b/\350\223\235\346\231\223\346\242\205/WepApi07.Implement/Log/Log.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..2a9872ccccbafc7f668d7b0396112b78dec8cef3
--- /dev/null
+++ "b/\350\223\235\346\231\223\346\242\205/WepApi07.Implement/Log/Log.cs"
@@ -0,0 +1,61 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using WepApi07.Data.Entity;
+using WepApi07.Domain;
+using WepApi07.Domain.Enum;
+using WepApi07.Intenface.Log;
+
+
+namespace WepApi07.Implement.Log
+{
+    public class Log : ILog
+    {
+        private readonly IResponsitory<Logs> _logsResponsitory;
+
+        
+
+        public Log(IResponsitory<Logs> logsResponsitory)
+        {
+            _logsResponsitory = logsResponsitory;
+        }
+        
+        public void Clear()
+        {
+            var list = _logsResponsitory.Table.ToList();
+            _logsResponsitory.Delete(list);
+        }
+
+        public void Delete(Logs log)
+        {
+            _logsResponsitory.Delete(log);
+        }
+
+        public Logs GetLogById(int id)
+        {
+            return _logsResponsitory.GetById(id);
+        }
+
+        public void Insert(Logs log)
+        {
+            _logsResponsitory.Insert(log);
+        }
+
+        public IEnumerable<Logs> MultiQuery(DateTime beginTime, DateTime endTime, LogsLevel logLevel=LogsLevel.错误, int userId = 0)
+        {
+            var bTime = beginTime == null ? DateTime.Now : beginTime;
+            var eTime = endTime == null ? DateTime.Now : endTime;
+
+            var list = _logsResponsitory.Table.Where(x => x.CreatedTime >= bTime && x.CreatedTime <= eTime && x.LogLevel==(int)logLevel);
+
+            if (userId != 0)
+            {
+                list = list.Where(x => x.UserId == userId);
+            }
+
+            return list;
+        }
+    }
+}
diff --git "a/\350\223\235\346\231\223\346\242\205/WepApi07.Intenface/Log/ILog.cs" "b/\350\223\235\346\231\223\346\242\205/WepApi07.Intenface/Log/ILog.cs"
new file mode 100644
index 0000000000000000000000000000000000000000..5070f7dd367b0a1fb9c2cc9d4b03955ae7bec796
--- /dev/null
+++ "b/\350\223\235\346\231\223\346\242\205/WepApi07.Intenface/Log/ILog.cs"
@@ -0,0 +1,21 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using WepApi07.Data;
+using WepApi07.Data.Entity;
+using WepApi07.Domain.Enum;
+
+namespace WepApi07.Intenface.Log
+{
+    public interface ILog
+    {
+        Logs GetLogById(int id);
+        void Insert(Logs log);
+
+        void Delete(Logs log);
+        IEnumerable<Logs> MultiQuery(DateTime beginTime, DateTime endTime, LogsLevel logLevel, int userId = 0);
+
+        void Clear();
+    }
+}