diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58f5efd..8132a8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,8 +65,9 @@ add_subdirectory(3rdparty/lua)
 add_subdirectory(3rdparty/sqlite3)
 if(MSVC)
 add_subdirectory(3rdparty/libzip)
-endif()
 add_subdirectory(3rdparty/leveldb)
+endif()
+
 
 
 
diff --git a/build.sh b/build.sh
index 74688c4..699a2aa 100644
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,8 @@ sudo apt install -y libssl-dev
 sudo apt install -y xorg libx11-dev libgl1-mesa-dev
 sudo apt install -y openssl
 sudo apt install -y libboost-dev 
+sudo apt install -y libmysqlcppconn-dev
+sudo apt install -y libleveldb-dev
 # 初始化变量 
 
 src_dir=$(pwd)
diff --git a/include/db/mssql.h b/include/db/mssql.h
index 5aaf9f9..6bf1dc2 100644
--- a/include/db/mssql.h
+++ b/include/db/mssql.h
@@ -19,7 +19,7 @@ namespace ylib::mssql
     class prepare_statement;
     struct mssql_conn_info
     {
-        mssql_conn_info(){
+        mssql_conn_info() {
         }
         std::string odbcname;
         std::string username;
@@ -68,19 +68,19 @@ namespace ylib::mssql
         std::map<std::string, short> m_field_name_index;
     };
 
-    class prepare_statement:public ylib::error_base{
+    class prepare_statement :public ylib::error_base {
     public:
         prepare_statement();
         ~prepare_statement();
-        void set_boolean(uint32 index,bool value);
-        void set_datetime(uint32 index,const std::string& value);
-        void set_double(uint32 index,double value);
-        void set_int32(uint32 index,int32 value);
-        void set_uint32(uint32 index,uint32 value);
-        void set_int64(uint32 index,int64 value);
-        void set_uint64(uint32 index,uint64 value);
+        void set_boolean(uint32 index, bool value);
+        void set_datetime(uint32 index, const std::string& value);
+        void set_double(uint32 index, double value);
+        void set_int32(uint32 index, int32 value);
+        void set_uint32(uint32 index, uint32 value);
+        void set_int64(uint32 index, int64 value);
+        void set_uint64(uint32 index, uint64 value);
         void set_null(uint32 index);
-        void set_string(uint32 index,const std::string& value);
+        void set_string(uint32 index, const std::string& value);
         void clear();
         uint64 update();
         ylib::mssql::result* query();
@@ -90,12 +90,12 @@ namespace ylib::mssql
         ylib::mssql::result* m_result = nullptr;
         void* m_handle = nullptr;
     };
-    class conn :public ylib::example<ylib::mssql::mssql_conn_info>,public ylib::error_base
+    class conn :public ylib::example<ylib::mssql::mssql_conn_info>, public ylib::error_base
     {
     public:
         conn();
         ~conn();
-        virtual EXAMPLE_START_RESULT start(const ylib::mssql::mssql_conn_info&info) override;
+        virtual EXAMPLE_START_RESULT start(const ylib::mssql::mssql_conn_info& info) override;
         virtual void close() override;
 
 
@@ -110,14 +110,14 @@ namespace ylib::mssql
         void rollback();
         friend class ylib::mssql::pool;
     private:
-        void *m_handle = nullptr;
+        void* m_handle = nullptr;
         ylib::mssql::mssql_conn_info m_info;
         class prepare_statement* m_ppst = nullptr;
         int m_sw = 0;
     };
 
 
-    class pool: public ylib::pool<ylib::mssql::conn, ylib::mssql::mssql_conn_info>
+    class pool : public ylib::pool<ylib::mssql::conn, ylib::mssql::mssql_conn_info>
     {
     public:
         pool();
diff --git a/include/db/mysql.h b/include/db/mysql.h
index 1518691..96c3d68 100644
--- a/include/db/mysql.h
+++ b/include/db/mysql.h
@@ -17,14 +17,14 @@ namespace ylib::mysql
     class result;
     class conn;
     class prepare_statement;
-    struct field{
+    struct field {
         uint32 index = 0;
         std::string name;
         std::string type_name;
     };
     struct mysql_conn_info
     {
-        mysql_conn_info(){
+        mysql_conn_info() {
             port = 0;
         }
         std::string ipaddress;
@@ -81,21 +81,21 @@ namespace ylib::mysql
         std::vector<ylib::mysql::field> m_fields;
     };
 
-    class prepare_statement:public ylib::error_base{
+    class prepare_statement :public ylib::error_base {
     public:
         prepare_statement();
         ~prepare_statement();
-        void set_bigint(uint32 index,const std::string& value);
-        void set_boolean(uint32 index,bool value);
-        void set_datetime(uint32 index,const std::string& value);
-        void set_double(uint32 index,double value);
-        void set_int32(uint32 index,int32 value);
-        void set_uint32(uint32 index,uint32 value);
-        void set_int64(uint32 index,int64 value);
-        void set_uint64(uint32 index,uint64 value);
+        void set_bigint(uint32 index, const std::string& value);
+        void set_boolean(uint32 index, bool value);
+        void set_datetime(uint32 index, const std::string& value);
+        void set_double(uint32 index, double value);
+        void set_int32(uint32 index, int32 value);
+        void set_uint32(uint32 index, uint32 value);
+        void set_int64(uint32 index, int64 value);
+        void set_uint64(uint32 index, uint64 value);
         void set_null(uint32 index);
-        void set_string(uint32 index,const std::string& value);
-        void set_blob(uint32 index,const ylib::buffer& value);
+        void set_string(uint32 index, const std::string& value);
+        void set_blob(uint32 index, const ylib::buffer& value);
         void clear();
         uint64 update();
         ylib::mysql::result* query();
@@ -105,12 +105,12 @@ namespace ylib::mysql
         ylib::mysql::result* m_result = nullptr;
         void* m_handle = nullptr;
     };
-    class conn :public ylib::example<ylib::mysql::mysql_conn_info>,public ylib::error_base
+    class conn :public ylib::example<ylib::mysql::mysql_conn_info>, public ylib::error_base
     {
     public:
         conn();
         ~conn();
-        virtual EXAMPLE_START_RESULT start(const ylib::mysql::mysql_conn_info&info) override;
+        virtual EXAMPLE_START_RESULT start(const ylib::mysql::mysql_conn_info& info) override;
         virtual void close() override;
 
 
@@ -130,7 +130,7 @@ namespace ylib::mysql
 
         friend class ylib::mysql::pool;
     private:
-        void *m_handle = nullptr;
+        void* m_handle = nullptr;
         ylib::mysql::mysql_conn_info m_info;
         class prepare_statement* m_ppst = nullptr;
         // 事务状态 0=未开启 1=已开启 2=执行完毕
@@ -138,7 +138,7 @@ namespace ylib::mysql
     };
 
 
-    class pool: public ylib::pool<ylib::mysql::conn, ylib::mysql::mysql_conn_info>
+    class pool : public ylib::pool<ylib::mysql::conn, ylib::mysql::mysql_conn_info>
     {
     public:
         pool()
diff --git a/include/db/sqler.h b/include/db/sqler.h
index e026ac7..274532c 100644
--- a/include/db/sqler.h
+++ b/include/db/sqler.h
@@ -21,7 +21,7 @@ namespace ylib
 	};
 	struct order_by {
 		std::string field;
-		sort sort;
+		ylib::sort sort;
 	};
 	struct keyvalue {
 		std::string name;
@@ -31,7 +31,7 @@ namespace ylib
 	/// <summary>
 	/// MYSQL SELECT 查询器
 	/// </summary>
-	class select:public ylib::error_base {
+	class select :public ylib::error_base {
 	public:
 		select(mysql::conn* conn);
 		~select();
@@ -51,11 +51,11 @@ namespace ylib
 		/// <summary>
 		/// 条件[A=B]
 		/// </summary>
-		select& where(const std::string& name,const std::string& expression,const std::any& value);
+		select& where(const std::string& name, const std::string& expression, const std::any& value);
 		/// <summary>
 		/// 条件[模糊查询]
 		/// </summary>
-		select& where_like(const std::string& name,const std::string& value);
+		select& where_like(const std::string& name, const std::string& value);
 		/// <summary>
 		/// 条件[自定义]
 		/// </summary>
@@ -63,7 +63,7 @@ namespace ylib
 		/// <summary>
 		/// LIMIT[页]
 		/// </summary>
-		select& page(uint32 page,uint32 count);
+		select& page(uint32 page, uint32 count);
 		/// <summary>
 		/// LIMIT
 		/// </summary>
@@ -96,7 +96,7 @@ namespace ylib
 		/// <param name="where"></param>
 		/// <param name="orderby"></param>
 		/// <param name="limit"></param>
-		void make_sql(std::string& field_name,std::string& where,std::string& orderby,std::string& limit,std::vector<std::any>& insert_values);
+		void make_sql(std::string& field_name, std::string& where, std::string& orderby, std::string& limit, std::vector<std::any>& insert_values);
 	private:
 		mysql::conn* m_conn = nullptr;
 		std::vector<ylib::where> m_wheres;
@@ -106,18 +106,6 @@ namespace ylib
 		order_by m_orderby;
 
 	};
-#if 0
-	class Lselect :public ylib::select {
-	public:
-		Lselect(void* conn);
-		~Lselect();
-		void where_i32(const std::string& name, const std::string& expression,int32 value);
-		void where_i64(const std::string& name, const std::string& expression,int64 value);
-		void where_dob(const std::string& name, const std::string& expression,double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-		void where_expression(const std::string& expression);
-	};
-#endif
 	/// <summary>
 	/// MYSQL UPDATE
 	/// </summary>
@@ -189,26 +177,6 @@ namespace ylib
 		order_by m_orderby;
 
 	};
-#if 0
-	class Lupdate :public ylib::update {
-	public:
-		Lupdate(mysql::conn* conn);
-		~Lupdate();
-
-		void set_i32(const std::string& name, int32 value);
-		void set_i64(const std::string& name, int64 value);
-		void set_dob(const std::string& name, double value);
-		void set_str(const std::string& name, const std::string& value);
-
-		void where_i32(const std::string& name, const std::string& expression, int32 value);
-		void where_i64(const std::string& name, const std::string& expression, int64 value);
-		void where_dob(const std::string& name, const std::string& expression, double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-
-		void where_expression(const std::string& expression);
-	};
-
-#endif
 	/// <summary>
 	/// MYSQL INSERT
 	/// </summary>
@@ -236,17 +204,6 @@ namespace ylib
 		std::string m_table_name;
 		std::vector<keyvalue> m_sets;
 	};
-#if 0
-	class Linsert :public ylib::insert {
-	public:
-		Linsert(mysql::conn* conn);
-		~Linsert();
-		void i32(const std::string& name, int32 value);
-		void i64(const std::string& name, int64 value);
-		void dob(const std::string& name, double value);
-		void str(const std::string& name, const std::string& value);
-	};
-#endif
 	/// <summary>
 	/// MYSQL DELETE
 	/// </summary>
@@ -304,16 +261,4 @@ namespace ylib
 		order_by m_orderby;
 
 	};
-#if 0
-	class Ldelete :public ylib::delete_ {
-	public:
-		Ldelete(mysql::conn* conn);
-		~Ldelete(); 
-		void where_i32(const std::string& name, const std::string& expression, int32 value);
-		void where_i64(const std::string& name, const std::string& expression, int64 value);
-		void where_dob(const std::string& name, const std::string& expression, double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-		void where_expression(const std::string& expression);
-	};
-#endif
-}
\ No newline at end of file
+}
diff --git a/src/db/mssql.h b/src/db/mssql.h
deleted file mode 100644
index ca7c4ad..0000000
--- a/src/db/mssql.h
+++ /dev/null
@@ -1,127 +0,0 @@
-#pragma once
-#ifdef _WIN32
-#include <vector>
-#include <string>
-#include <list>
-#ifndef _WIN32
-#include <stddef.h>
-#endif
-#include "ybase/define.h"
-#include "ybase/error.h"
-#include "yutil/json.h"
-#include "yutil/pool.hpp"
-
-namespace ylib::mssql
-{
-    class pool;
-    class result;
-    class conn;
-    class prepare_statement;
-    struct mssql_conn_info
-    {
-        mssql_conn_info(){
-        }
-        std::string odbcname;
-        std::string username;
-        std::string password;
-    };
-    class result :public ylib::error_base
-    {
-    public:
-        result();
-        ~result();
-        // 列数量
-        uint32 field_count();
-        // 行数量
-        size_t row_count();
-        // 取文本值
-        std::string get(uint32 field);
-        // 下一行
-        bool next();
-        int32 get_int32(uint32 index);
-        int32 get_int32(const std::string& name);
-
-        uint32 get_uint32(uint32 index);
-        uint32 get_uint32(const std::string& name);
-
-        int64 get_int64(uint32 index);
-        int64 get_int64(const std::string& name);
-
-        uint64 get_uint64(uint32 index);
-        uint64 get_uint64(const std::string& name);
-
-        std::string get_string(uint32 index);
-        std::string get_string(const std::string& name);
-
-        bool get_boolean(uint32 index);
-        bool get_boolean(const std::string& name);
-
-        double get_double(uint32 index);
-        double get_double(const std::string& name);
-
-        friend class ylib::mssql::prepare_statement;
-    private:
-        void* m_handle = nullptr;
-        uint32 m_field_count = 0;
-        uint32 m_row_count = 0;
-
-        std::map<std::string, short> m_field_name_index;
-    };
-
-    class prepare_statement:public ylib::error_base{
-    public:
-        prepare_statement();
-        ~prepare_statement();
-        void set_boolean(uint32 index,bool value);
-        void set_datetime(uint32 index,const std::string& value);
-        void set_double(uint32 index,double value);
-        void set_int32(uint32 index,int32 value);
-        void set_uint32(uint32 index,uint32 value);
-        void set_int64(uint32 index,int64 value);
-        void set_uint64(uint32 index,uint64 value);
-        void set_null(uint32 index);
-        void set_string(uint32 index,const std::string& value);
-        void clear();
-        uint64 update();
-        ylib::mssql::result* query();
-
-        friend class ylib::mssql::conn;
-    private:
-        ylib::mssql::result* m_result = nullptr;
-        void* m_handle = nullptr;
-    };
-    class conn :public ylib::example<ylib::mssql::mssql_conn_info>,public ylib::error_base
-    {
-    public:
-        conn();
-        ~conn();
-        virtual EXAMPLE_START_RESULT start(const ylib::mssql::mssql_conn_info&info) override;
-        virtual void close() override;
-
-
-        virtual void recover() override;
-        virtual void task_out() override;
-
-
-        void clear();
-        ylib::mssql::prepare_statement* setsql(const std::string& sql);
-        void begin();
-        void commit();
-        void rollback();
-        friend class ylib::mssql::pool;
-    private:
-        void *m_handle = nullptr;
-        ylib::mssql::mssql_conn_info m_info;
-        class prepare_statement* m_ppst = nullptr;
-        int m_sw = 0;
-    };
-
-
-    class pool: public ylib::pool<ylib::mssql::conn, ylib::mssql::mssql_conn_info>
-    {
-    public:
-        pool();
-        ~pool();
-    };
-}
-#endif
\ No newline at end of file
diff --git a/src/db/mysql.h b/src/db/mysql.h
deleted file mode 100644
index 331d82e..0000000
--- a/src/db/mysql.h
+++ /dev/null
@@ -1,161 +0,0 @@
-#pragma once
-
-#include <vector>
-#include <string>
-#include <list>
-#ifndef _WIN32
-#include <stddef.h>
-#endif
-#include "ybase/define.h"
-#include "ybase/error.h"
-#include "yutil/json.h"
-#include "yutil/pool.hpp"
-
-namespace ylib::mysql
-{
-    class pool;
-    class result;
-    class conn;
-    class prepare_statement;
-    struct field{
-        uint32 index = 0;
-        std::string name;
-        std::string type_name;
-    };
-    struct mysql_conn_info
-    {
-        mysql_conn_info(){
-            port = 0;
-        }
-        std::string ipaddress;
-        std::string username;
-        std::string password;
-        std::string database;
-        std::string charset;
-        uint32 port;
-    };
-    class result :public ylib::error_base
-    {
-    public:
-        result();
-        ~result();
-        // 列名
-        std::string field_name(uint32 index);
-        ylib::mysql::field field(uint32 index);
-
-        // 列数量 
-        uint32 field_count();
-        // 行数量
-        size_t row_count();
-        // 下一行
-        bool next();
-        int32 get_int32(uint32 index);
-        int32 get_int32(const std::string& name);
-
-        uint32 get_uint32(uint32 index);
-        uint32 get_uint32(const std::string& name);
-
-        int64 get_int64(uint32 index);
-        int64 get_int64(const std::string& name);
-
-        uint64 get_uint64(uint32 index);
-        uint64 get_uint64(const std::string& name);
-
-        std::string get_string(uint32 index);
-        std::string get_string(const std::string& name);
-
-        bool get_boolean(uint32 index);
-        bool get_boolean(const std::string& name);
-
-        double get_double(uint32 index);
-        double get_double(const std::string& name);
-
-        ylib::json to_json();
-
-        friend class ylib::mysql::prepare_statement;
-    private:
-        void* m_handle = nullptr;
-        uint32 m_field_count = 0;
-        uint32 m_row_count = 0;
-    };
-
-    class prepare_statement:public ylib::error_base{
-    public:
-        prepare_statement();
-        ~prepare_statement();
-        void set_bigint(uint32 index,const std::string& value);
-        void set_boolean(uint32 index,bool value);
-        void set_datetime(uint32 index,const std::string& value);
-        void set_double(uint32 index,double value);
-        void set_int32(uint32 index,int32 value);
-        void set_uint32(uint32 index,uint32 value);
-        void set_int64(uint32 index,int64 value);
-        void set_uint64(uint32 index,uint64 value);
-        void set_null(uint32 index);
-        void set_string(uint32 index,const std::string& value);
-        void set_blob(uint32 index,const ylib::buffer& value);
-        void clear();
-        uint64 update();
-        ylib::mysql::result* query();
-
-        friend class ylib::mysql::conn;
-    private:
-        ylib::mysql::result* m_result = nullptr;
-        void* m_handle = nullptr;
-    };
-    class conn :public ylib::example<ylib::mysql::mysql_conn_info>,public ylib::error_base
-    {
-    public:
-        conn();
-        ~conn();
-        virtual EXAMPLE_START_RESULT start(const ylib::mysql::mysql_conn_info&info) override;
-        virtual void close() override;
-
-
-        virtual void recover() override;
-        virtual void task_out() override;
-
-
-        void clear();
-        ylib::mysql::prepare_statement* setsql(const std::string& sql);
-        uint64 insert_id();
-
-        void begin(bool autocommit = false);
-        void commit();
-        void rollback();
-
-        void setDatabase(const std::string& name);
-
-        friend class ylib::mysql::pool;
-    private:
-        void *m_handle = nullptr;
-        ylib::mysql::mysql_conn_info m_info;
-        class prepare_statement* m_ppst = nullptr;
-        // 事务状态 0=未开启 1=已开启 2=执行完毕
-        int m_sw = 0;
-    };
-
-
-    class pool: public ylib::pool<ylib::mysql::conn, ylib::mysql::mysql_conn_info>
-    {
-    public:
-        pool()
-        {
-
-        }
-        ~pool()
-        {
-
-        }
-    };
-
-
-
-    /// <summary>
-    /// 协程调用
-    /// 执行期间会让出协程，并等待再次调度
-    /// </summary>
-    /// <param name="ppst"></param>
-    /// <returns></returns>
-    std::tuple<bool, std::string> co_query(ylib::mysql::prepare_statement* ppst);
-}
diff --git a/src/db/sqler.h b/src/db/sqler.h
deleted file mode 100644
index 59e17be..0000000
--- a/src/db/sqler.h
+++ /dev/null
@@ -1,317 +0,0 @@
-#pragma once
-#include "ybase/error.h"
-#include "mysql.h"
-#include <any>
-namespace ylib
-{
-	struct where {
-		std::string name;
-		std::string expression;
-		std::any value;
-		// 0=普通 1=Like 2=自定义
-		int type = 0;
-	};
-	struct limit {
-		int64 start = -1;
-		int64 count = -1;
-	};
-	enum sort {
-		ASC,
-		DESC
-	};
-	struct order_by {
-		std::string field;
-		sort sort;
-	};
-	struct keyvalue {
-		std::string name;
-		std::any value;
-		int extra = 0;
-	};
-	/// <summary>
-	/// MYSQL SELECT 查询器
-	/// </summary>
-	class select:public ylib::error_base {
-	public:
-		select(mysql::conn* conn);
-		~select();
-		/// <summary>
-		/// 表名
-		/// </summary>
-		/// <param name="field"></param>
-		/// <returns></returns>
-		select& table(const std::string& table_name);
-		/// <summary>
-		/// 查询字段
-		/// </summary>
-		/// <param name="field"></param>
-		/// <param name="sort"></param>
-		/// <returns></returns>
-		select& field(const std::vector<std::string>& field);
-		/// <summary>
-		/// 条件[A=B]
-		/// </summary>
-		select& where(const std::string& name,const std::string& expression,const std::any& value);
-		/// <summary>
-		/// 条件[模糊查询]
-		/// </summary>
-		select& where_like(const std::string& name,const std::string& value);
-		/// <summary>
-		/// 条件[自定义]
-		/// </summary>
-		select& where(const std::string& expression);
-		/// <summary>
-		/// LIMIT[页]
-		/// </summary>
-		select& page(uint32 page,uint32 count);
-		/// <summary>
-		/// LIMIT
-		/// </summary>
-		select& limit(uint32 start, uint32 count);
-		/// <summary>
-		/// 排序
-		/// </summary>
-		select& orderby(const std::string& field, sort sort = DESC);
-		/// <summary>
-		/// 查询数量
-		/// </summary>
-		/// <returns></returns>
-		uint64 count();
-		/// <summary>
-		/// 查询
-		/// </summary>
-		ylib::mysql::result* query();
-		/// <summary>
-		/// 查询转换为layui需求模板
-		/// </summary>
-		/// <returns></returns> 
-		ylib::json query_layui();
-	private:
-		/// <summary>
-		/// 生成SQL片段
-		/// </summary>
-		/// <param name="field_name"></param>
-		/// <param name="where"></param>
-		/// <param name="orderby"></param>
-		/// <param name="limit"></param>
-		void make_sql(std::string& field_name,std::string& where,std::string& orderby,std::string& limit,std::vector<std::any>& insert_values);
-	private:
-		mysql::conn* m_conn = nullptr;
-		std::vector<ylib::where> m_wheres;
-		std::string m_table_name;
-		std::vector<std::string> m_fields;
-		ylib::limit m_limit;
-		order_by m_orderby;
-
-	};
-#if 0
-	class Lselect :public ylib::select {
-	public:
-		Lselect(void* conn);
-		~Lselect();
-		void where_i32(const std::string& name, const std::string& expression,int32 value);
-		void where_i64(const std::string& name, const std::string& expression,int64 value);
-		void where_dob(const std::string& name, const std::string& expression,double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-		void where_expression(const std::string& expression);
-	};
-#endif
-	/// <summary>
-	/// MYSQL UPDATE
-	/// </summary>
-	class update :public ylib::error_base {
-		struct set {
-			std::string name;
-			std::any value;
-			std::string expression;
-			// 0=普通 1=表达式
-			int type = 0;
-		};
-	public:
-		update(mysql::conn* conn);
-		~update();
-		/// <summary>
-		/// 表名
-		/// </summary>
-		/// <param name="field"></param>
-		/// <returns></returns>
-		update& table(const std::string& table_name);
-		/// <summary>
-		/// 更新
-		/// </summary>
-		update& set(const std::string& name, const std::any& value);
-		update& set(const std::string& expression);
-		/// <summary>
-		/// 条件[A=B]
-		/// </summary>
-		update& where(const std::string& name, const std::string& expression, const std::any& value);
-		/// <summary>
-		/// 条件[模糊查询]
-		/// </summary>
-		update& where_like(const std::string& name, const std::string& value);
-		/// <summary>
-		/// 条件[自定义]
-		/// </summary>
-		update& where(const std::string& expression);
-		/// <summary>
-		/// LIMIT[页]
-		/// </summary>
-		update& page(uint32 page, uint32 count);
-		/// <summary>
-		/// LIMIT
-		/// </summary>
-		update& limit(uint32 start, uint32 count);
-		/// <summary>
-		/// 排序
-		/// </summary>
-		update& orderby(const std::string& field, sort sort = DESC);
-		/// <summary>
-		/// 查询
-		/// </summary>
-		uint64 exec();
-	private:
-		/// <summary>
-		/// 生成SQL片段
-		/// </summary>
-		/// <param name="set"></param>
-		/// <param name="where"></param>
-		/// <param name="orderby"></param>
-		/// <param name="limit"></param>
-		void make_sql(std::string& set, std::string& where, std::string& orderby, std::string& limit, std::vector<std::any>& insert_values);
-	private:
-		mysql::conn* m_conn = nullptr;
-		std::vector<ylib::where> m_wheres;
-		std::string m_table_name;
-		std::vector<struct ylib::update::set> m_sets;
-		ylib::limit m_limit;
-		order_by m_orderby;
-
-	};
-#if 0
-	class Lupdate :public ylib::update {
-	public:
-		Lupdate(mysql::conn* conn);
-		~Lupdate();
-
-		void set_i32(const std::string& name, int32 value);
-		void set_i64(const std::string& name, int64 value);
-		void set_dob(const std::string& name, double value);
-		void set_str(const std::string& name, const std::string& value);
-
-		void where_i32(const std::string& name, const std::string& expression, int32 value);
-		void where_i64(const std::string& name, const std::string& expression, int64 value);
-		void where_dob(const std::string& name, const std::string& expression, double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-
-		void where_expression(const std::string& expression);
-	};
-
-#endif
-	/// <summary>
-	/// MYSQL INSERT
-	/// </summary>
-	class insert :public ylib::error_base {
-	public:
-		insert(mysql::conn* conn);
-		~insert();
-		/// <summary>
-		/// 表名
-		/// </summary>
-		/// <param name="field"></param>
-		/// <returns></returns>
-		insert& table(const std::string& table_name);
-		/// <summary>
-		/// 更新
-		/// </summary>
-		insert& set(const std::string& name, const std::any& value);
-		insert& set_not_pret(const std::string& name, const std::string& value);
-		/// <summary> 
-		/// 查询
-		/// </summary>
-		uint64 exec();
-	private:
-		mysql::conn* m_conn = nullptr;
-		std::string m_table_name;
-		std::vector<keyvalue> m_sets;
-	};
-#if 0
-	class Linsert :public ylib::insert {
-	public:
-		Linsert(mysql::conn* conn);
-		~Linsert();
-		void i32(const std::string& name, int32 value);
-		void i64(const std::string& name, int64 value);
-		void dob(const std::string& name, double value);
-		void str(const std::string& name, const std::string& value);
-	};
-#endif
-	/// <summary>
-	/// MYSQL DELETE
-	/// </summary>
-	class delete_ :public ylib::error_base {
-	public:
-		delete_(mysql::conn* conn);
-		~delete_();
-		/// <summary>
-		/// 表名
-		/// </summary>
-		/// <param name="field"></param>
-		/// <returns></returns>
-		delete_& table(const std::string& table_name);
-		/// <summary>
-		/// 条件[A=B]
-		/// </summary>
-		delete_& where(const std::string& name, const std::string& expression, const std::any& value);
-		/// <summary>
-		/// 条件[模糊查询]
-		/// </summary>
-		delete_& where_like(const std::string& name, const std::string& value);
-		/// <summary>
-		/// 条件[自定义]
-		/// </summary>
-		delete_& where(const std::string& expression);
-		/// <summary>
-		/// LIMIT[页]
-		/// </summary>
-		delete_& page(uint32 page, uint32 count);
-		/// <summary>
-		/// LIMIT
-		/// </summary>
-		delete_& limit(uint32 start, uint32 count);
-		/// <summary>
-		/// 排序
-		/// </summary>
-		delete_& orderby(const std::string& field, sort sort = DESC);
-		/// <summary>
-		/// 查询
-		/// </summary>
-		uint64 exec();
-	private:
-		/// <summary>
-		/// 生成SQL片段
-		/// </summary>
-		/// <param name="where"></param>
-		/// <param name="orderby"></param>
-		/// <param name="limit"></param>
-		void make_sql(std::string& where, std::string& orderby, std::string& limit, std::vector<std::any>& insert_values);
-	private:
-		mysql::conn* m_conn = nullptr;
-		std::vector<ylib::where> m_wheres;
-		std::string m_table_name;
-		ylib::limit m_limit;
-		order_by m_orderby;
-
-	};
-#if 0
-	class Ldelete :public ylib::delete_ {
-	public:
-		Ldelete(mysql::conn* conn);
-		~Ldelete(); 
-		void where_i32(const std::string& name, const std::string& expression, int32 value);
-		void where_i64(const std::string& name, const std::string& expression, int64 value);
-		void where_dob(const std::string& name, const std::string& expression, double value);
-		void where_str(const std::string& name, const std::string& expression, const std::string& value);
-		void where_expression(const std::string& expression);
-	};
-#endif
-}
\ No newline at end of file