diff --git a/230113-civ6hooksendto/hookdll.cpp b/230113-civ6hooksendto/hookdll.cpp
index 70dcada364c0b59ed782cd634eb194749e287aa6..3a0eebf69c338be44f5d9bc28fd88c376c942888 100644
--- a/230113-civ6hooksendto/hookdll.cpp
+++ b/230113-civ6hooksendto/hookdll.cpp
@@ -12,23 +12,25 @@ Hook *sendto_hook;
 SockQueue sockqueue;
 
 // 枚举当前所有可用网卡的IPv4地址
-const std::vector<in_addr> &enum_addr()
+static const std::vector<in_addr> &enum_addr()
 {
     static std::vector<in_addr> list;
     hostent *phost = gethostbyname(""); // 获取本机网卡
     if (phost) {
-        if (phost->h_length == list.size()) // 数量相同直接返回
-            return list;
         char **ppc = phost->h_addr_list; // 获取地址列表
-        if (ppc) {
-            list.clear();
-            // 遍历列表添加到容器
-            while (*ppc) {
-                in_addr addr;
-                memcpy(&addr, *ppc, sizeof(in_addr));
-                list.push_back(addr);
-                ppc++;
-            }
+        int addr_num = 0;
+        while (*ppc)
+            addr_num++, ppc++; // 获取地址个数
+        if (addr_num == list.size()) // 数量相同直接返回
+            return list;
+        ppc = phost->h_addr_list;
+        list.clear();
+        // 遍历列表添加到容器
+        while (*ppc) {
+            in_addr addr;
+            memcpy(&addr, *ppc, sizeof(in_addr));
+            list.push_back(addr);
+            ppc++;
         }
     }
     return list;
diff --git a/230130-hookgamesendto/src/fksendto.cpp b/230130-hookgamesendto/src/fksendto.cpp
index 52056178d2d0ac10fb75ba9423012aac4cccec79..5c36e94ad153e0a855ac2fec84a102676e2a8b97 100644
--- a/230130-hookgamesendto/src/fksendto.cpp
+++ b/230130-hookgamesendto/src/fksendto.cpp
@@ -22,18 +22,20 @@ static const std::vector<in_addr> &enum_addr()
     static std::vector<in_addr> list;
     hostent *phost = gethostbyname(""); // 获取本机网卡
     if (phost) {
-        if (phost->h_length == list.size()) // 数量相同直接返回
-            return list;
         char **ppc = phost->h_addr_list; // 获取地址列表
-        if (ppc) {
-            list.clear();
-            // 遍历列表添加到容器
-            while (*ppc) {
-                in_addr addr;
-                memcpy(&addr, *ppc, sizeof(in_addr));
-                list.push_back(addr);
-                ppc++;
-            }
+        int addr_num = 0;
+        while (*ppc)
+            addr_num++, ppc++; // 获取地址个数
+        if (addr_num == list.size()) // 数量相同直接返回
+            return list;
+        ppc = phost->h_addr_list;
+        list.clear();
+        // 遍历列表添加到容器
+        while (*ppc) {
+            in_addr addr;
+            memcpy(&addr, *ppc, sizeof(in_addr));
+            list.push_back(addr);
+            ppc++;
         }
     }
     return list;