diff --git a/Spy/get_contacts.cpp b/Spy/get_contacts.cpp
index 5f43cc5..8282e2c 100644
--- a/Spy/get_contacts.cpp
+++ b/Spy/get_contacts.cpp
@@ -9,21 +9,21 @@ std::vector<RpcContact_t> GetContacts()
 {
     int gender = 0;
     vector<RpcContact_t> vContacts;
-    DWORD baseAddr = g_WeChatWinDllAddr + 0x23638F4;
+    DWORD baseAddr = g_WeChatWinDllAddr + g_WxCalls.contact.base;
     DWORD tempAddr = GET_DWORD(baseAddr);
-    DWORD head     = GET_DWORD(tempAddr + 0x4C);
+    DWORD head     = GET_DWORD(tempAddr + g_WxCalls.contact.head);
     DWORD node     = GET_DWORD(head);
 
     while (node != head) {
         RpcContact_t rpcContact = { 0 };
-        rpcContact.wxId         = GetBstrByAddress(node + 0x30);
-        rpcContact.wxCode       = GetBstrByAddress(node + 0x44);
-        rpcContact.wxName       = GetBstrByAddress(node + 0x8C);
-        rpcContact.wxCountry    = GetBstrByAddress(node + 0x1D0);
-        rpcContact.wxProvince   = GetBstrByAddress(node + 0x1E4);
-        rpcContact.wxCity       = GetBstrByAddress(node + 0x1F8);
+        rpcContact.wxId         = GetBstrByAddress(node + g_WxCalls.contact.wxId);
+        rpcContact.wxCode       = GetBstrByAddress(node + g_WxCalls.contact.wxCode);
+        rpcContact.wxName       = GetBstrByAddress(node + g_WxCalls.contact.wxName);
+        rpcContact.wxCountry    = GetBstrByAddress(node + g_WxCalls.contact.wxCountry);
+        rpcContact.wxProvince   = GetBstrByAddress(node + g_WxCalls.contact.wxProvince);
+        rpcContact.wxCity       = GetBstrByAddress(node + g_WxCalls.contact.wxCity);
 
-        gender = GET_DWORD(node + 0x184);
+        gender = GET_DWORD(node + g_WxCalls.contact.wxGender);
         if (gender == 1)
             rpcContact.wxGender = SysAllocString(L"男");
         else if (gender == 2)
diff --git a/Spy/load_calls.cpp b/Spy/load_calls.cpp
index 18ee717..0145286 100644
--- a/Spy/load_calls.cpp
+++ b/Spy/load_calls.cpp
@@ -4,17 +4,18 @@
 #include "load_calls.h"
 
 #define SUPPORT_VERSION L"3.7.0.29"
-WxCalls_t wxCalls = {
-    0x23631D0,                           // Login Status
-    { 0x236307C, 0x23630F4, 0x2363128 }, // User Info: wxid, nickname, mobile
-    0x521D30,                            // Send Message
-    /* Receive Message:
-          Hook,   call,   type, self,   id, msgXml, roomId, wxId, content */
-    { 0x550F4C, 0xA94A50, 0x38, 0x3C, 0x184, 0x1EC, 0x48, 0x170, 0x70 },
-    { 0xBD780, 0x770120, 0x521640 } // Send Image Message
-};
+WxCalls_t wxCalls = { 0x23631D0,                           // Login Status
+                      { 0x236307C, 0x23630F4, 0x2363128 }, // User Info: wxid, nickname, mobile
+                      0x521D30,                            // Send Message
+                      /* Receive Message:
+                            Hook,   call,   type, self,   id, msgXml, roomId, wxId, content */
+                      { 0x550F4C, 0xA94A50, 0x38, 0x3C, 0x184, 0x1EC, 0x48, 0x170, 0x70 },
+                      { 0xBD780, 0x770120, 0x521640 }, // Send Image Message
+                      /* Get Contacts:
+                            Base,  head, wxId, Code, Name, Gender, Country, Province, City*/
+                      { 0x23638F4, 0x4C, 0x30, 0x44, 0x8C, 0x184, 0x1D0, 0x1E4, 0x1F8 } };
 
-int LoadCalls(const wchar_t* version, WxCalls_t* calls)
+int LoadCalls(const wchar_t *version, WxCalls_t *calls)
 {
     if (wcscmp(version, SUPPORT_VERSION) != 0) {
         return -1;
diff --git a/Spy/spy_types.h b/Spy/spy_types.h
index 6c98504..a565153 100644
--- a/Spy/spy_types.h
+++ b/Spy/spy_types.h
@@ -29,12 +29,25 @@ typedef struct SendImg {
     DWORD call3;
 } SendImg_t;
 
+typedef struct Contact {
+    DWORD base;
+    DWORD head;
+    DWORD wxId;
+    DWORD wxCode;
+    DWORD wxName;
+    DWORD wxGender;
+    DWORD wxCountry;
+    DWORD wxProvince;
+    DWORD wxCity;
+} Contact_t;
+
 typedef struct WxCalls {
     DWORD login;       // 登录状态
     UserInfoCall_t ui; // 用户信息
     DWORD sendTextMsg; // 发送消息
     RecvMsg_t recvMsg; // 接收消息
     SendImg_t sendImg; // 发送图片
+    Contact_t contact; // 获取联系人
 } WxCalls_t;
 
 typedef struct TextStruct {