diff --git a/src/search_contact.cc b/src/search_contact.cc
new file mode 100644
index 0000000..8eec925
--- /dev/null
+++ b/src/search_contact.cc
@@ -0,0 +1,275 @@
+#include "pch.h"
+#include "search_contact.h"
+
+#include "common.h"
+
+#include "wechat_data.h"
+
+#define WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT 0xd94d1e
+#define WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT 0xed13a0
+#define WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT 0xa2a260
+#define WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT 0xa2a4c0
+
+
+#define WX_SEARCH_CONTACT_OFFSeT 0xc5bb00
+#define WX_SEARCH_CONTACT_MGR_OFFSeT 0xa0d550
+
+
+
+static BOOL kSearchContactHooked = false;
+static char kHookSearchContactErrcodeOldAsm[5] = {0};
+static char kHookUserInfoOldAsm[5] = {0};
+static DWORD kWeChatWinBase = GetWeChatWinBase();
+
+static DWORD kHookSearchContactErrcodeNextAddr =
+    kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT;
+static DWORD kHookSearchContactErrcodeAddr =
+    kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT;
+static DWORD kHookSearchContactErrcodeJmpBackAddr =
+    kHookSearchContactErrcodeAddr + 0x5;
+
+static DWORD kHookUserInfoNextAddr =
+    kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT;
+static DWORD kHookUserInfoAddr =
+    kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT;
+static DWORD kHookUserInfoJmpBackAddr = kHookUserInfoAddr + 0x5;
+
+static UserInfo userinfo;
+
+void SetErrorCode(int code) { userinfo.error_code = code; }
+
+void SetUserInfoDetail(DWORD address) {
+  DWORD length = *(DWORD *)(address + 0x8);
+  userinfo.keyword = new wchar_t[length + 1];
+  userinfo.keyword_len = length;
+  if (length) {
+    memcpy(userinfo.keyword, (wchar_t *)(*(DWORD *)(address + 0x4)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.keyword, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x1C);
+  userinfo.v3 = new wchar_t[length + 1];
+  userinfo.v3_len = length;
+  if (length) {
+    memcpy(userinfo.v3, (wchar_t *)(*(DWORD *)(address + 0x18)),
+           (length + 1) * sizeof(wchar_t));
+  }else {
+    ZeroMemory(userinfo.v3, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x30);
+  userinfo.big_image = new wchar_t[length + 1];
+  userinfo.big_image_len = length;
+  if (length) {
+    memcpy(userinfo.big_image, (wchar_t *)(*(DWORD *)(address + 0x2C)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.big_image, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0xC8);
+  userinfo.nickname = new wchar_t[length + 1];
+  userinfo.nickname_len = length;
+  if (length) {
+    memcpy(userinfo.nickname, (wchar_t *)(*(DWORD *)(address + 0xC4)),
+           (length + 1) * sizeof(wchar_t));
+  }else {
+    ZeroMemory(userinfo.nickname, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x108);
+  userinfo.v2 = new wchar_t[length + 1];
+  userinfo.v2_len = length;
+  if (length) {
+    memcpy(userinfo.v2, (wchar_t *)(*(DWORD *)(address + 0x104)),
+           (length + 1) * sizeof(wchar_t));
+  }else {
+    ZeroMemory(userinfo.v2, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x16C);
+  userinfo.small_image = new wchar_t[length + 1];
+  userinfo.small_image_len = length;
+  if (length) {
+    memcpy(userinfo.small_image, (wchar_t *)(*(DWORD *)(address + 0x168)),
+           (length + 1) * sizeof(wchar_t));
+  }else {
+    ZeroMemory(userinfo.small_image, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x1F8);
+  userinfo.signature = new wchar_t[length + 1];
+  userinfo.signature_len = length;
+  if (length) {
+    memcpy(userinfo.signature, (wchar_t *)(*(DWORD *)(address + 0x1F4)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.signature, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x20C);
+  userinfo.nation = new wchar_t[length + 1];
+  userinfo.nation_len = length;
+  if (length) {
+    memcpy(userinfo.nation, (wchar_t *)(*(DWORD *)(address + 0x208)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.nation, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x220);
+  userinfo.province = new wchar_t[length + 1];
+  userinfo.province_len = length;
+  if (length) {
+    memcpy(userinfo.province, (wchar_t *)(*(DWORD *)(address + 0x21C)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.province, (length + 1) * sizeof(wchar_t));
+  }
+
+  length = *(DWORD *)(address + 0x234);
+  userinfo.city = new wchar_t[length + 1];
+  userinfo.city_len = length;
+  if (length) {
+    memcpy(userinfo.city, (wchar_t *)(*(DWORD *)(address + 0x230)),
+           (length + 1) * sizeof(wchar_t));
+  } else {
+    ZeroMemory(userinfo.city, (length + 1) * sizeof(wchar_t));
+  }
+
+  userinfo.sex = *(DWORD *)(address + 0x1BC);
+  userinfo.over = true;
+}
+
+static void DeleteUserInfoCache() {
+  if (userinfo.keyword) {
+    delete userinfo.keyword;
+  }
+  if (userinfo.v2) {
+    delete userinfo.v2;
+  }
+  if (userinfo.v3) {
+    delete userinfo.v3;
+  }
+  if (userinfo.nickname) {
+    delete userinfo.nickname;
+  }
+  if (userinfo.nation) {
+    delete userinfo.nation;
+  }
+  if (userinfo.province) {
+    delete userinfo.province;
+  }
+  if (userinfo.city) {
+    delete userinfo.city;
+  }
+  if (userinfo.signature) {
+    delete userinfo.signature;
+  }
+  if (userinfo.small_image) {
+    delete userinfo.small_image;
+  }
+  if (userinfo.big_image) {
+    delete userinfo.big_image;
+  }
+  ZeroMemory(&userinfo, sizeof(UserInfo));
+  userinfo.error_code = 1;
+}
+
+__declspec(naked) void HandleErrorCode() {
+  __asm {
+		pushad;
+		pushfd;
+		push edi;
+		call SetErrorCode;
+		add esp, 0x4;
+		popfd;
+		popad;
+		call kHookSearchContactErrcodeNextAddr;
+		jmp kHookSearchContactErrcodeJmpBackAddr;
+  }
+}
+
+__declspec(naked) void HandleUserInfoDetail() {
+  __asm {
+		pushad;
+		pushfd;
+		push dword ptr [ebp + 0x14];
+		call SetUserInfoDetail;
+		add esp, 0x4;
+		popfd;
+		popad;
+		call kHookUserInfoNextAddr;
+		jmp kHookUserInfoJmpBackAddr;
+  }
+}
+
+int SearchContactNetScene(wchar_t *keyword,UserInfo ** user) {
+  int success = -1;
+  HookSearchContact();
+  DeleteUserInfoCache();
+  DWORD base = GetWeChatWinBase();
+  DWORD search_contact_mgr_addr = base + WX_SEARCH_CONTACT_MGR_OFFSeT;
+  DWORD search_contact_addr = base + WX_SEARCH_CONTACT_OFFSeT;
+  WeChatString key(keyword);
+
+  __asm {
+		pushad;
+		pushfd;
+		call search_contact_mgr_addr;
+		lea ebx, key;
+		push ebx;
+		mov ecx, eax;
+		call search_contact_addr;
+		popfd;
+		popad;
+  }
+  success = 1;
+  while (userinfo.error_code == 1 && kSearchContactHooked) {
+    Sleep(20);
+  }
+  if (userinfo.error_code == 0) {
+    while (userinfo.over == false && kSearchContactHooked) {
+      Sleep(20);
+    }
+  }
+  *user= &userinfo;
+  return success;
+}
+
+int HookSearchContact() {
+  kWeChatWinBase = GetWeChatWinBase();
+  if (!kWeChatWinBase) {
+    return -1;
+  }
+  if (kSearchContactHooked) {
+    return 2;
+  }
+  kHookSearchContactErrcodeNextAddr =
+      kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT;
+  kHookSearchContactErrcodeAddr =
+      kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT;
+  kHookSearchContactErrcodeJmpBackAddr = kHookSearchContactErrcodeAddr + 0x5;
+
+  kHookUserInfoNextAddr =
+      kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT;
+  kHookUserInfoAddr = kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT;
+  kHookUserInfoJmpBackAddr = kHookUserInfoAddr + 0x5;
+  HookAnyAddress(kHookSearchContactErrcodeAddr,
+                 (LPVOID)HandleErrorCode,
+                 kHookSearchContactErrcodeOldAsm);
+  HookAnyAddress(kHookUserInfoAddr, (LPVOID)HandleUserInfoDetail, kHookUserInfoOldAsm);
+  kSearchContactHooked = true;
+  return 1;
+}
+
+int UnHookSearchContact() {
+  if (!kSearchContactHooked) return 2;
+  UnHookAnyAddress(kHookSearchContactErrcodeAddr,
+                   kHookSearchContactErrcodeOldAsm);
+  UnHookAnyAddress(kHookUserInfoAddr, kHookUserInfoOldAsm);
+  kSearchContactHooked = false;
+  return 1;
+}
\ No newline at end of file
diff --git a/src/search_contact.h b/src/search_contact.h
new file mode 100644
index 0000000..5af1548
--- /dev/null
+++ b/src/search_contact.h
@@ -0,0 +1,8 @@
+#ifndef SEARCH_CONTACT_H_
+#define SEARCH_CONTACT_H_
+#include "wechat_data.h"
+int SearchContactNetScene(wchar_t *keyword,UserInfo ** user);
+
+int HookSearchContact();
+int UnHookSearchContact();
+#endif
\ No newline at end of file