diff --git a/general/inc/loger.h b/general/inc/loger.h
index 25be376..73032f7 100644
--- a/general/inc/loger.h
+++ b/general/inc/loger.h
@@ -1,7 +1,3 @@
-//
-// Created by bt110 on 2019/8/19.
-//
-
 #ifndef CPP11FEATURETEST_LOGER_H
 #define CPP11FEATURETEST_LOGER_H
 
@@ -10,35 +6,48 @@
 #include <time.h>
 #include <fstream>
 #include <iostream>
+#include <mutex>
 
 using namespace std;
-typedef enum Mode{
+typedef enum {
     Mode_Daily,  // 每天保存一次日志
     MODE_Monthly,  // 每个月保存一次日志
     MODE_Weekly,   // 每周保存一次日志
     MODE_Size         // 根据已存储的容量来保存日志
-}ESaveMode;
+}Mode;
 
+typedef enum {
+    LEVEL_DEBUG = 0,  //  调试模式所有日志都会显示
+    LEVEL_INFO,  //  INFO和WARNING和ERROR
+    LEVEL_WARNING,   // WARNING和ERROR
+    LEVEL_ERROR         // 仅显示ERROR
+}Level;
 
 class Loger {
 public:
     Loger(string path,string prefix);
+    Loger(string path,string prefix,bool old);
+    ~Loger();
     #define DEBUG_FILE_POSITION __FILE__,__LINE__
-    int Debug(string,string,int);
-    int Log();
-    int LogFile();
+    void SetMinimalLevel(Level);
+    void SetWorkMode(Mode);
+    int Debug(string,string file = __FILE__,int line = __LINE__);
+    int Info(string,string file = __FILE__,int line = __LINE__);
+    int Warning(string,string file = __FILE__,int line = __LINE__);   
+    int Error(string,string file = __FILE__,int line = __LINE__);        
+
     void operator+(const string&);
     void operator<<(const string&);
-
 private:
     string mPath;
     string mPrefix;
     string mCurrentPath;
     FILE *mFile;            // 日志文件
-    ESaveMode mMode;        // 工作模式
+    Mode mMode;        // 工作模式
+    Level  mLevel;        // 最低调试输出
     string mCurrentDate;    // 当天
     bool mValid;
+    std::mutex mMux;
 };
 
-
-#endif //CPP11FEATURETEST_LOGER_H
+#endif 
diff --git a/general/src/loger.cpp b/general/src/loger.cpp
index 9cf3cd3..311c165 100644
--- a/general/src/loger.cpp
+++ b/general/src/loger.cpp
@@ -1,6 +1,3 @@
-//
-// Created by bt110 on 2019/8/19.
-//
 #include "loger.h"
 
 string getTimeDate()
@@ -21,7 +18,15 @@ string getTime()
     return string(tmp);
 }
 
-int Loger::Debug(string dat,string  function,int line){
+void Loger::SetMinimalLevel(Level level){
+    mLevel = level;
+}
+
+int Loger::Debug(string dat,string  function,int line) {
+    if(mLevel  > LEVEL_DEBUG) {     
+        return 0;
+    }    
+    std::lock_guard<std::mutex> guard(mMux);
     if (!mValid){
         this->mCurrentDate = getTimeDate();
         this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
@@ -34,10 +39,11 @@ int Loger::Debug(string dat,string  function,int line){
     }
         // 还没有过天
     if(getTimeDate() == this->mCurrentDate){
-        string tmp = getTime();
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
         tmp += ": ";
         tmp += dat;
-        tmp += "at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "  at    [" + function + " line " + std::to_string(line) + "]";
         tmp += "\n";
         int ret =fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
         fflush(this->mFile);
@@ -48,8 +54,11 @@ int Loger::Debug(string dat,string  function,int line){
         this->mFile = fopen(path.c_str(),"w+");
         if (this->mFile == nullptr){
             mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;            
         }
-        string tmp = getTime();
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
         tmp += ": ";
         tmp += dat;
         tmp += "at    [" + function + " line " + std::to_string(line) + "]";
@@ -61,7 +70,9 @@ int Loger::Debug(string dat,string  function,int line){
     return 0;
 }
 
-void Loger::operator+(const string& wb){
+
+int Loger::Error(string dat,string  function,int line) {
+    std::lock_guard<std::mutex> guard(mMux);
     if (!mValid){
         this->mCurrentDate = getTimeDate();
         this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
@@ -69,25 +80,172 @@ void Loger::operator+(const string& wb){
         if (this->mFile == nullptr){
             mValid = false;
             std::cout<<"error Loger open file\r\n"<<std::endl;
-            return;
+            return -1;
         }
     }
-    // 还没有过天
+        // 还没有过天
     if(getTimeDate() == this->mCurrentDate){
-        string tmp = getTime();
-        tmp += ":";
-        tmp += wb;
-        tmp += " \n";
-        fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        string tmp = "[ERROR] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "  at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret =fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
         fflush(this->mFile);
+        return ret;
     }else{    // 已经过天了
         this->mCurrentDate = getTimeDate();
         string path = getTimeDate() + ".log";
         this->mFile = fopen(path.c_str(),"w+");
         if (this->mFile == nullptr){
-            mValid = true;
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;            
         }
-        string tmp = getTime();
+        string tmp = "[ERROR] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret = fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+        return ret;
+    }
+    return 0;
+}
+
+int Loger::Warning(string dat,string  function,int line) {
+    if(mLevel  >  LEVEL_WARNING) {
+        return 0;
+    }
+    std::lock_guard<std::mutex> guard(mMux);
+    if (!mValid){
+        this->mCurrentDate = getTimeDate();
+        this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
+        this->mFile = fopen(mCurrentPath.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;
+        }
+    }
+        // 还没有过天
+    if(getTimeDate() == this->mCurrentDate){
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "  at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret =fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+        return ret;
+    }else{    // 已经过天了
+        this->mCurrentDate = getTimeDate();
+        string path = getTimeDate() + ".log";
+        this->mFile = fopen(path.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;            
+        }
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret = fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+        return ret;
+    }
+    return 0;
+}
+
+
+int Loger::Info(string dat,string  function,int line) {
+    if(mLevel  >  LEVEL_WARNING){
+        return 0;
+    }    
+    std::lock_guard<std::mutex> guard(mMux);
+    if (!mValid){
+        this->mCurrentDate = getTimeDate();
+        this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
+        this->mFile = fopen(mCurrentPath.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;
+        }
+    }
+        // 还没有过天
+    if(getTimeDate() == this->mCurrentDate){
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "  at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret =fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+        return ret;
+    }else{    // 已经过天了
+        this->mCurrentDate = getTimeDate();
+        string path = getTimeDate() + ".log";
+        this->mFile = fopen(path.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return -1;            
+        }
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
+        tmp += ": ";
+        tmp += dat;
+        tmp += "at    [" + function + " line " + std::to_string(line) + "]";
+        tmp += "\n";
+        int ret = fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+        return ret;
+    }
+    return 0;
+}
+
+
+void Loger::operator+(const string& wb){
+    std::lock_guard<std::mutex> guard(mMux);
+    if (!mValid){
+        this->mCurrentDate = getTimeDate();
+        this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
+        this->mFile = fopen(mCurrentPath.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return ;
+        }
+    }
+    // 还没有过天
+    if(getTimeDate() == this->mCurrentDate) {
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
+        tmp += ":";
+        tmp += wb;
+        tmp += " \n";
+        fwrite(tmp.c_str(),tmp.size(),1,this->mFile);
+        fflush(this->mFile);
+    } else {    // 已经过天了
+        this->mCurrentDate = getTimeDate();
+        string path = getTimeDate() + ".log";
+        this->mFile = fopen(path.c_str(),"w+");
+        if (this->mFile == nullptr){
+            mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return ;            
+        }
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
         tmp += ":";
         tmp += wb;
         tmp += " \n";
@@ -97,6 +255,7 @@ void Loger::operator+(const string& wb){
 }
 
 void Loger::operator<<(const string& wb){
+    std::lock_guard<std::mutex> guard(mMux);
     if (!mValid){
         this->mCurrentDate = getTimeDate();
         this->mCurrentPath = this->mPath + "/" + this->mPrefix + "/" +  this->mCurrentDate + ".log";
@@ -104,13 +263,12 @@ void Loger::operator<<(const string& wb){
         if (this->mFile == nullptr){
             mValid = false;
             std::cout<<"error Loger open file\r\n"<<std::endl;
-            return;
+            return ;
         }
     }
-
-    // 还没有过天
     if(getTimeDate() == this->mCurrentDate){
-        string tmp = getTime();
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
         tmp += ":";
         tmp += wb;
         tmp += " \n";
@@ -122,8 +280,11 @@ void Loger::operator<<(const string& wb){
         this->mFile = fopen(mCurrentPath.c_str(),"w+");
         if (this->mFile == nullptr){
             mValid = false;
+            std::cout<<"error Loger open file\r\n"<<std::endl;
+            return ;            
         }
-        string tmp = getTime();
+        string tmp = "[" + this->mPrefix + "] ";
+        tmp += getTime();
         tmp += ":";
         tmp += wb;
         tmp += " \n";
@@ -146,11 +307,19 @@ bool file_existed(string path)  {
     }
 }
 
+Loger::~Loger(){
+    if(mValid){
+        fflush(mFile);
+        fclose(mFile);
+    }
+}
+
 Loger::Loger(string path,string prefix)  {
+    mLevel = LEVEL_INFO;
     this->mPath  = path;
     this->mPrefix = prefix;
     this->mCurrentDate = getTimeDate();
-    this->mCurrentPath = path + "/" + prefix + "/" +  this->mCurrentDate + ".log";
+    this->mCurrentPath = path + "/" + prefix + "-" +  this->mCurrentDate + ".log";
     mValid = false;
 
     this->mFile = fopen(this->mCurrentPath.c_str(),"a+");
@@ -161,3 +330,24 @@ Loger::Loger(string path,string prefix)  {
         mValid = true;
     }
 }
+
+Loger::Loger(string path,string prefix,bool old)  {
+    mLevel = LEVEL_INFO;
+    this->mPath  = path;
+    this->mPrefix = prefix;
+    this->mCurrentDate = getTimeDate();
+    this->mCurrentPath = path + "/" + prefix + "-" +  this->mCurrentDate + ".log";
+    mValid = false;
+
+    if(old){
+        this->mFile = fopen(this->mCurrentPath.c_str(),"w+");
+    }else{
+        this->mFile = fopen(this->mCurrentPath.c_str(),"a+");
+    }
+    if(! this->mFile){
+        fprintf(stderr,"error open log files %s code %d,please check file path",this->mCurrentPath.c_str(),errno);
+        exit(0);
+    }else{
+        mValid = true;
+    }
+}
diff --git a/test/src/cpp11/CMakeLists.txt b/test/src/cpp11/CMakeLists.txt
index bc4e00f..3751a19 100644
--- a/test/src/cpp11/CMakeLists.txt
+++ b/test/src/cpp11/CMakeLists.txt
@@ -3,7 +3,7 @@ project(cpp11)
 
 
 set(CMAKE_BUILD_TYPE DEBUG)
-set(CMAKE_CXX_FLAGS " /MTd /std:c++11 /EHsc")
+set(CMAKE_CXX_FLAGS " /MDd /std:c++11 /EHsc")
 set(CMAKE_CXX_FLAGS_DEBUG "/DEBUG  /std:c++11 /EHsc")
 set(CMAKE_CXX_FLAGS_RELEASE "")
 
@@ -15,15 +15,13 @@ link_directories("../../../obj/")
 link_directories("./third/gtest/lib")
 
 link_libraries(generallib)
-link_libraries(gtestd)
 link_libraries(jsoncpp)
 
-add_executable(cpp11 cpp11_test.cpp )
-add_executable(gtest gtest.cpp )
-add_executable(thread_test thread_usage.cpp threadpool.cpp)
-
 include_directories("./third/jsoncpp/include/json")
 include_directories("../../../obj/inc/")
 include_directories("./third/gtest/include")
 
-
+add_executable(cpp11 cpp11_test.cpp )
+add_executable(gtest gtest.cpp )
+add_executable(thread_test thread_usage.cpp threadpool.cpp)
+add_executable(log_test.cpp log_test.cpp)
diff --git a/test/src/cpp11/log_test.cpp b/test/src/cpp11/log_test.cpp
new file mode 100644
index 0000000..1bf0ed0
--- /dev/null
+++ b/test/src/cpp11/log_test.cpp
@@ -0,0 +1,10 @@
+#include "loger.h"
+
+int main(){
+	Loger loger1("d://","test",true);
+	loger1.Debug("hello",DEBUG_FILE_POSITION);
+	loger1<< "12131";
+	loger1 + "12121";
+	loger1.Debug("hello11212",DEBUG_FILE_POSITION);
+	
+}
\ No newline at end of file
diff --git a/test/src/cpp11/tcp_bench.cpp b/test/src/cpp11/tcp_bench.cpp
deleted file mode 100644
index e69de29..0000000