diff --git a/binding/python/ReadMe.md b/binding/python/ReadMe.md
deleted file mode 100644
index 71778e6..0000000
--- a/binding/python/ReadMe.md
+++ /dev/null
@@ -1,114 +0,0 @@
-# ip2region python 查询客户端实现
-
-# 使用方式
-
-### 完全基于文件的查询
-
-```python
-from xdbSearcher import XdbSearcher
-
-def searchWithFile():
-    # 1. 创建查询对象
-    dbPath = "../../data/ip2region_v4.xdb"
-    searcher = XdbSearcher(dbfile=dbPath)
-    
-    # 2. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.searchByIPStr(ip)
-    print(region_str)
-    
-    # 3. 关闭searcher
-    searcher.close()
-```
-
-### 缓存 `VectorIndex` 索引
-
-我们可以提前从 `xdb` 文件中加载出来 `VectorIndex` 数据，然后全局缓存，每次创建 Searcher 对象的时候使用全局的 VectorIndex 缓存可以减少一次固定的 IO 操作，从而加速查询，减少 IO 压力。
-
-```python
-from xdbSearcher import XdbSearcher
-
-def searchWithVectorIndex():
-     # 1. 预先加载整个 xdb
-    dbPath = "../../data/ip2region_v4.xdb"
-    vi = XdbSearcher.loadVectorIndexFromFile(dbfile=dbPath)
-
-    # 2. 使用上面的缓存创建查询对象, 同时也要加载 xdb 文件
-    searcher = XdbSearcher(dbfile=dbPath, vectorIndex=vi)
-    
-    # 3. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.search(ip)
-    print(region_str)
-
-    # 4. 关闭searcher
-    searcher.close()
-```
-
-### 缓存整个 `xdb` 数据
-
-我们也可以预先加载整个 xdb 文件的数据到内存，然后基于这个数据创建查询对象来实现完全基于文件的查询，类似之前的 memory search。
-
-```python
-from xdbSearcher import XdbSearcher
-
-def searchWithContent():
-    # 1. 预先加载整个 xdb
-    dbPath = "../../data/ip2region_v4.xdb";
-    cb = XdbSearcher.loadContentFromFile(dbfile=dbPath)
-    
-    # 2. 仅需要使用上面的全文件缓存创建查询对象, 不需要传源 xdb 文件
-    searcher = XdbSearcher(contentBuff=cb)
-    
-    # 3. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.search(ip)
-    print(region_str)
-
-    # 4. 关闭searcher
-    searcher.close()
-```
-# 查询测试
-
-通过 `search_test.py` 脚本来进行查询测试：
-```bash
-➜  python git:(python_dev) ✗ python3 ./search_test.py
-python3 search_test.py [command options]
-options:
- --db string             ip2region binary xdb file path
- --cache-policy string   cache policy: file/vectorIndex/content
-```
-
-例如：使用默认的 data/ip2region_v4.xdb 进行查询测试：
-```bash
-➜  python git:(python_dev) ✗ python3 ./search_test.py --db=../../data/ip2region_v4.xdb --cache-policy=content
-ip2region xdb searcher test program, cachePolicy: content
-type 'quit' to exit
-ip2region>> 1.2.3.4
-region :美国|0|华盛顿|0|谷歌 , took 0.0689 ms
-ip2region>> quit
-searcher test program exited, thanks for trying
-```
-
-输入 ip 即可进行查询测试。也可以分别设置 `cache-policy` 为 file/vectorIndex/content 来测试三种不同缓存实现的效率。
-
-# bench 测试
-
-通过 `bench_test.py` 脚本来进行自动 bench 测试，一方面确保 `xdb` 文件没有错误，另一方面通过大量的查询测试平均查询性能：
-```bash
-➜  python git:(python_dev) ✗ python3 ./bench_test.py
-python bench_test.py [command options]
-options:
- --db string             ip2region binary xdb file path
- --src string            source ip text file path
- --cache-policy string   cache policy: file/vectorIndex/content
-```
-
-例如：通过默认的 data/ip2region.xdb 和 data/ip.merge.txt 来进行 bench 测试：
-```bash
-➜  python git:(python_dev) ✗ python3 ./bench_test.py --db=../../data/ip2region_v4.xdb --src=../../data/ipv4_source.txt --cache-policy=content
-Bench finished, [cachePolicy: content, total: 3417955, took: 34.93 s, cost: 0.0094 ms/op]
-```
-
-可以通过设置 `cache-policy` 参数来分别测试 file/vectorIndex/content 三种不同的缓存实现的的性能。
-@Note：请注意 bench 使用的 src 文件需要是生成对应的 xdb 文件的相同的源文件。
\ No newline at end of file
diff --git a/binding/python/bench_test.py b/binding/python/bench_test.py
deleted file mode 100644
index 2c1c8c3..0000000
--- a/binding/python/bench_test.py
+++ /dev/null
@@ -1,120 +0,0 @@
-# Copyright 2022 The Ip2Region Authors. All rights reserved.
-# Use of this source code is governed by a Apache2.0-style
-# license that can be found in the LICENSE file.
-#
-#  Created by luckydog on 2022/7/1.
-#  Copyright © 2022年 luckydog. All rights reserved.
-#
-# from ast import main
-import io
-
-from xdbSearcher import XdbSearcher
-import argparse
-import time
-import sys
-
-
-def printHelp():
-    print("python bench_test.py [command options]")
-    print("options: ")
-    print(" --db string             ip2region binary xdb file path")
-    print(" --src string            source ip text file path")
-    print(" --cache-policy string   cache policy: file/vectorIndex/content")
-
-def trim(string):
-    if string[:1] != ' ' and string[-1:] != ' ':
-        return string
-    elif string[:1] == ' ':
-        return trim(string[1:])
-    else:
-        return trim(string[:-1])
-
-def start_bench(dbFile="", srcFile="", cachePolicy="vectorIndex"):
-    if cachePolicy == "file":
-        try:
-            searcher = XdbSearcher(dbfile=dbFile)
-        except Exception as err:
-            print(err)
-            return
-    elif cachePolicy == "vectorIndex":
-        try:
-            vi = XdbSearcher.loadVectorIndexFromFile(dbfile=dbFile)
-            if vi is None:
-                print(f"failed to load vector index from {dbFile}\n")
-            searcher = XdbSearcher(dbfile=dbFile, vectorIndex=vi)
-
-        except Exception as err:
-            print(err)
-            return
-    else:
-        try:
-            cb = XdbSearcher.loadContentFromFile(dbfile=dbFile)
-            if cb is None:
-                print(f"failed to load xdb content from {dbFile}\n")
-            searcher = XdbSearcher(contentBuff=cb)
-
-        except Exception as err:
-            print(err)
-            return
-    # do the bench test
-
-    try:
-        count = 0
-        costs = 0
-        sTime = time.time()
-        f = io.open(srcFile, "rb")
-        while True:
-            line = trim(f.readline(1024)).decode("utf-8").replace("\n", "")
-            if len(line) < 1:
-                break
-            
-            ps = line.split("|",2)
-            if len(ps) != 3:
-                print(f"invalid ip segment line :{line}")
-                return
-            sip = XdbSearcher.ip2long(None, ps[0])
-            eip = XdbSearcher.ip2long(None, ps[1])
-            
-            if sip > eip:
-                print(f"start ip({ps[0]}) should not be greater than end ip({ps[1]})")
-                return
-            
-            mip = (sip + eip) >> 1
-            
-            for ip in [sip, (sip + mip) >> 1, mip, (mip + eip) >> 1, eip]:
-                try:
-                    cTime = time.time()
-                    region = searcher.search(ip)
-                    costs = costs + (time.time() - cTime)
-                except Exception as error:
-                    print(f"failed to search ip :{ip}")
-                    return
-
-                if region is None:
-                    print(f"failed to search ip :{ip}")
-                    return
-                if region != ps[2]:
-                    print(f"failed search({ip}) with ({region} != {ps[2]})")
-                    return
-                count = count + 1
-                
-        # close the searcher at last
-        f.close()
-        searcher.close()
-        print(f"Bench finished, {{cachePolicy: {cachePolicy}, total: {count}, took: {round(time.time() - sTime, 2)} s, cost: {round(costs/count*1000, 4)} ms/op}}")
-    except Exception as err:
-        print(f"failed to open source text file :{err}")
-        return
-
-
-if __name__ == '__main__':
-    if len(sys.argv) < 2:
-        printHelp()
-        exit(0)
-    parse = argparse.ArgumentParser()
-    parse.add_argument("--db", help="ip2region binary xdb file path")
-    parse.add_argument("--src", help="source ip text file path")
-    parse.add_argument("--cache-policy", choices=["file", "vectorIndex", "content"],
-                       help="cache policy: file/vectorIndex/content")
-    args = parse.parse_args()
-    start_bench(dbFile=args.db, srcFile=args.src, cachePolicy=args.cache_policy)
diff --git a/binding/python/iptest.py b/binding/python/iptest.py
deleted file mode 100644
index d11dee3..0000000
--- a/binding/python/iptest.py
+++ /dev/null
@@ -1,58 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright 2022 The Ip2Region Authors. All rights reserved.
-# Use of this source code is governed by a Apache2.0-style
-# license that can be found in the LICENSE file.
-#
-
-from xdbSearcher import XdbSearcher
-
-def searchWithFile():
-    # 1. 创建查询对象
-    dbPath = "../../data/ip2region_v4.xdb"
-    searcher = XdbSearcher(dbfile=dbPath)
-    
-    # 2. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.searchByIPStr(ip)
-    print(region_str)
-    
-    # 3. 关闭searcher
-    searcher.close()
-
-def searchWithVectorIndex():
-     # 1. 预先加载整个 xdb
-    dbPath = "../../data/ip2region_v4.xdb"
-    vi = XdbSearcher.loadVectorIndexFromFile(dbfile=dbPath)
-
-    # 2. 使用上面的缓存创建查询对象, 同时也要加载 xdb 文件
-    searcher = XdbSearcher(dbfile=dbPath, vectorIndex=vi)
-    
-    # 3. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.search(ip)
-    print(region_str)
-
-    # 4. 关闭searcher
-    searcher.close()
-    
-def searchWithContent():
-    # 1. 预先加载整个 xdb
-    dbPath = "../../data/ip2region_v4.xdb";
-    cb = XdbSearcher.loadContentFromFile(dbfile=dbPath)
-    
-    # 2. 仅需要使用上面的全文件缓存创建查询对象, 不需要传源 xdb 文件
-    searcher = XdbSearcher(contentBuff=cb)
-    
-    # 3. 执行查询
-    ip = "1.2.3.4"
-    region_str = searcher.search(ip)
-    print(region_str)
-
-    # 4. 关闭searcher
-    searcher.close()
-    
-    
-if __name__ == '__main__':
-    searchWithContent()
-    
\ No newline at end of file
diff --git a/binding/python/search_test.py b/binding/python/search_test.py
deleted file mode 100644
index 742a2d9..0000000
--- a/binding/python/search_test.py
+++ /dev/null
@@ -1,95 +0,0 @@
-# Copyright 2022 The Ip2Region Authors. All rights reserved.
-# Use of this source code is governed by a Apache2.0-style
-# license that can be found in the LICENSE file.
-#
-#  Created by luckydog on 2022/7/1.
-#  Copyright © 2022年 luckydog. All rights reserved.
-#
-
-from xdbSearcher import XdbSearcher
-import argparse
-import time
-import sys
-
-def printHelp():
-    print("python3 search_test.py [command options]")
-    print("options: ")
-    print(" --db string             ip2region binary xdb file path")
-    print(" --cache-policy string   cache policy: file/vectorIndex/content")
-
-
-def trim(string):
-    if string[:1] != ' ' and string[-1:] != ' ':
-        return string
-    elif string[:1] == ' ':
-        return trim(string[1:])
-    else:
-        return trim(string[:-1])
-
-
-def start_search(dbFile="", cachePolicy="vectorIndex"):
-    if cachePolicy == "file":
-        try:
-            searcher = XdbSearcher(dbfile=dbFile)
-        except Exception as err:
-            print(err)
-            return
-    elif cachePolicy == "vectorIndex":
-        try:
-            vi = XdbSearcher.loadVectorIndexFromFile(dbfile=dbFile)
-            if vi is None:
-                print(f"failed to load vector index from {dbFile}\n")
-            searcher = XdbSearcher(dbfile=dbFile, vectorIndex=vi)
-
-        except Exception as err:
-            print(err)
-            return
-    else:
-        try:
-            cb = XdbSearcher.loadContentFromFile(dbfile=dbFile)
-            if cb is None:
-                print(f"failed to load xdb content from {dbFile}\n")
-            searcher = XdbSearcher(contentBuff=cb)
-
-        except Exception as err:
-            print(err)
-            return
-
-    # 开始的提示
-    print(f"ip2region xdb searcher test program, cachePolicy: {cachePolicy}\ntype 'quit' to exit")
-    while True:
-        line = trim(input("ip2region>> "))
-        # print(f"{line}")
-
-        if len(line) < 2:
-            continue
-        if line == "quit":
-            break
-
-        if not XdbSearcher.isip(None, ip=line):
-            print("Error: invalid ip address")
-            continue
-        start = time.time()
-
-        try:
-            region_str = searcher.searchByIPStr(line)
-        except Exception as error:
-            print(error)
-            return
-
-        print(f"{{region: {region_str} , took: {round((time.time()-start)*1000.00, 4)} ms}}")
-    # quit
-    searcher.close()
-    print("searcher test program exited, thanks for trying")
-
-
-if __name__ == '__main__':
-    if len(sys.argv) < 2:
-        printHelp()
-        exit(0)
-    parse = argparse.ArgumentParser()
-    parse.add_argument("--db", help="ip2region binary xdb file path")
-    parse.add_argument("--cache-policy", choices=["file", "vectorIndex", "content"],
-                       help="cache policy: file/vectorIndex/content")
-    args = parse.parse_args()
-    start_search(dbFile=args.db, cachePolicy=args.cache_policy)
diff --git a/binding/python/xdbSearcher.py b/binding/python/xdbSearcher.py
deleted file mode 100644
index 8f04e3f..0000000
--- a/binding/python/xdbSearcher.py
+++ /dev/null
@@ -1,191 +0,0 @@
-# Copyright 2022 The Ip2Region Authors. All rights reserved.
-# Use of this source code is governed by a Apache2.0-style
-# license that can be found in the LICENSE file.
-#
-#  Created by luckydog on 2022/6/29.
-#  Copyright © 2022年 luckydog. All rights reserved.
-#
-
-import socket
-import struct
-import io
-import sys
-
-
-# xdb默认参数
-HeaderInfoLength = 256
-VectorIndexRows = 256
-VectorIndexCols = 256
-VectorIndexSize = 8
-SegmentIndexSize = 14
-
-
-class XdbSearcher(object):
-    __f = None
-
-    # the minimal memory allocation.
-    vectorIndex = None
-    # 整个读取xdb，保存在内存中
-    contentBuff = None
-
-    @staticmethod
-    def loadVectorIndexFromFile(dbfile):
-        try:
-            f = io.open(dbfile, "rb")
-            f.seek(HeaderInfoLength)
-            vi_len = VectorIndexRows * VectorIndexCols * SegmentIndexSize
-            vector_data = f.read(vi_len)
-            f.close()
-            return vector_data
-        except IOError as e:
-            print("[Error]: %s" % e)
-
-    @staticmethod
-    def loadContentFromFile(dbfile):
-        try:
-            f = io.open(dbfile, "rb")
-            all_data = f.read()
-            f.close()
-            return all_data
-        except IOError as e:
-            print("[Error]: %s" % e)
-
-    def __init__(self, dbfile=None, vectorIndex=None, contentBuff=None):
-        self.initDatabase(dbfile, vectorIndex, contentBuff)
-
-    def search(self, ip):
-        if isinstance(ip, str):
-            if not ip.isdigit(): ip = self.ip2long(ip)
-            return self.searchByIPLong(ip)
-        else:
-            return self.searchByIPLong(ip)
-
-    def searchByIPStr(self, ip):
-        if not ip.isdigit(): ip = self.ip2long(ip)
-        return self.searchByIPLong(ip)
-
-    def searchByIPLong(self, ip):
-        # locate the segment index block based on the vector index
-        sPtr = ePtr = 0
-        il0 = (int)((ip >> 24) & 0xFF)
-        il1 = (int)((ip >> 16) & 0xFF)
-        idx = il0 * VectorIndexCols * VectorIndexSize + il1 * VectorIndexSize
-
-        if self.vectorIndex is not None:
-            sPtr = self.getLong(self.vectorIndex, idx)
-            ePtr = self.getLong(self.vectorIndex, idx + 4)
-        elif self.contentBuff is not None:
-            sPtr = self.getLong(self.contentBuff, HeaderInfoLength + idx)
-            ePtr = self.getLong(self.contentBuff, HeaderInfoLength + idx + 4)
-        else:
-            self.__f.seek(HeaderInfoLength + idx)
-            buffer_ptr = self.__f.read(8)
-            sPtr = self.getLong(buffer_ptr, 0)
-            ePtr = self.getLong(buffer_ptr, 4)
-
-        # binary search the segment index block to get the region info
-        dataLen = dataPtr = int(-1)
-        l = int(0)
-        h = int((ePtr - sPtr) / SegmentIndexSize)
-        while l <= h:
-            m = int((l + h) >> 1)
-            p = int(sPtr + m * SegmentIndexSize)
-            # read the segment index
-            buffer_sip = self.readBuffer(p, SegmentIndexSize)
-            sip = self.getLong(buffer_sip, 0)
-            if ip < sip:
-                h = m - 1
-            else:
-                eip = self.getLong(buffer_sip, 4)
-                if ip > eip:
-                    l = m + 1
-                else:
-                    dataLen = self.getInt2(buffer_sip, 8)
-                    dataPtr = self.getLong(buffer_sip, 10)
-                    break
-
-        # empty match interception
-        if dataPtr < 0:
-            return ""
-
-        buffer_string = self.readBuffer(dataPtr, dataLen)
-        return_string = buffer_string.decode("utf-8")
-        return return_string
-
-    def readBuffer(self, offset, length):
-        buffer = None
-        # check the in-memory buffer first
-        if self.contentBuff is not None:
-            buffer = self.contentBuff[offset:offset + length]
-            return buffer
-
-        # read from the file handle
-        if self.__f is not None:
-            self.__f.seek(offset)
-            buffer = self.__f.read(length)
-        return buffer
-
-    def initDatabase(self, dbfile, vi, cb):
-        """
-        " initialize the database for search
-        " param: dbFile, vectorIndex, contentBuff
-        """
-        try:
-            if cb is not None:
-                self.__f = None
-                self.vectorIndex = None
-                self.contentBuff = cb
-            else:
-                self.__f = io.open(dbfile, "rb")
-                self.vectorIndex = vi
-        except IOError as e:
-            print("[Error]: %s" % e)
-            sys.exit()
-
-    def ip2long(self, ip):
-        _ip = socket.inet_aton(ip)
-        return struct.unpack("!L", _ip)[0]
-
-    def isip(self, ip):
-        p = ip.split(".")
-
-        if len(p) != 4: return False
-        for pp in p:
-            if not pp.isdigit(): return False
-            if len(pp) > 3: return False
-            if int(pp) > 255: return False
-        return True
-
-    def getLong(self, b, offset):
-        if len(b[offset:offset + 4]) == 4:
-            return struct.unpack('I', b[offset:offset + 4])[0]
-        return 0
-
-    def getInt2(self, b, offset):
-        return ((b[offset] & 0x000000FF) | (b[offset+1] << 8))
-
-    def close(self):
-        if self.__f is not None:
-            self.__f.close()
-        self.vectorIndex = None
-        self.contentBuff = None
-
-
-if __name__ == '__main__':
-    ip_array = [
-        "1.2.3.4",
-        "192.168.1.1"
-    ]
-    # 1. 缓存
-    dbPath = "./data/ip2region_v4.xdb";
-    cb = XdbSearcher.loadContentFromFile(dbfile=dbPath)
-
-    # 2. 创建查询对象
-    searcher = XdbSearcher(contentBuff=cb)
-
-    # 3. 执行查询
-    # ip = "1.2.3.4"
-    for ip in ip_array:
-        region_str = searcher.searchByIPStr(ip)
-        print(region_str)
-    searcher.close()