diff --git a/src/Entry.cpp b/src/Entry.cpp
index a2f114b..64ba0d0 100644
--- a/src/Entry.cpp
+++ b/src/Entry.cpp
@@ -11,6 +11,14 @@ std::unique_ptr<Entry>& Entry::getInstance() {
 
 bool Entry::load() {
     initLanguage();
+    if (Version::getProtocolVersion() != TARGET_PROTOCOL) {
+        logger.error(tr("error.protocolMismatch.info"));
+        logger.error(
+            tr("error.protocolMismatch.version",
+               {std::to_string(TARGET_PROTOCOL), std::to_string(Version::getProtocolVersion())})
+        );
+        return false;
+    }
     return true;
 }
 
diff --git a/src/Global.h b/src/Global.h
index 0f6dee4..38f2b2f 100644
--- a/src/Global.h
+++ b/src/Global.h
@@ -1,6 +1,8 @@
 #pragma once
 #include <include_all.h>
+
 #define PLUGIN_NAME "FreeCamera"
+#define TARGET_PROTOCOL 662
 
 using namespace GMLIB;
 
@@ -9,7 +11,7 @@ extern std::unordered_set<uint64> FreeCamList;
 extern void                       RegisterCommand();
 extern void                       initLanguage();
 
-extern std::string tr(std::string key);
+extern std::string tr(std::string key, std::vector<std::string> data = {});
 
 namespace FreeCamera {
 extern void DisableFreeCamera(Player* pl);
diff --git a/src/Initialization.cpp b/src/Initialization.cpp
index 6e6c464..c1e0f37 100644
--- a/src/Initialization.cpp
+++ b/src/Initialization.cpp
@@ -17,4 +17,4 @@ void initLanguage() {
     Language->chooseLanguage(languageCode);
 }
 
-std::string tr(std::string key) { return Language->translate(key); }
\ No newline at end of file
+std::string tr(std::string key, std::vector<std::string> data) { return Language->translate(key, data); }
\ No newline at end of file
diff --git a/src/Language.h b/src/Language.h
index ede0023..fd7e53e 100644
--- a/src/Language.h
+++ b/src/Language.h
@@ -5,12 +5,16 @@ std::string defaultLanguage_en_US = R"({
     "freecamera.command.desc": "Enable or disable freecamera mode.",
     "freecamera.command.enabled": "Freecamera mode enabled",
     "freecamera.command.disabled": "Freecamera mode disabled",
-    "freecamera.command.console": "This command can only execute by players or console."
+    "freecamera.command.console": "This command can only execute by players or console.",
+    "error.protocolMismatch.info":"You are running on an unsupport protocol version! This may result in crash!",
+    "error.protocolMismatch.version":"Support protocol %1$s, current protocol %2$s."
 })";
 
 std::string defaultLanguage_zh_CN = R"({
     "freecamera.command.desc": "开启或关闭自由视角模式",
     "freecamera.command.enabled": "自由视角模式已启用",
     "freecamera.command.disabled": "自由视角模式已禁用",
-    "freecamera.command.console": "该命令只能由玩家执行"
+    "freecamera.command.console": "该命令只能由玩家执行",
+    "error.protocolMismatch.info":"此插件正在不兼容的版本协议上运行！这可能造成服务器崩溃。",
+    "error.protocolMismatch.version":"此插件支持版本协议 %1$s，服务器版本协议 %2$s。"
 })";
\ No newline at end of file