diff --git a/judger/uoj_judger/run/compile.cpp b/judger/uoj_judger/run/compile.cpp
index 817d721..35ef36b 100644
--- a/judger/uoj_judger/run/compile.cpp
+++ b/judger/uoj_judger/run/compile.cpp
@@ -452,12 +452,14 @@ int compile(const compile_config &conf) {
 
     std::string lang = upgraded_lang(conf.lang);
 
-    if (lang == "C++" || lang == "C++03") {
+    if (lang == "C++" || lang == "C++14") {
+        return compile_cpp(conf, "c++14");
+    } else if (lang == "C++98") {
+        return compile_cpp(conf, "c++98");
+    } else if (lang == "C++03") {
         return compile_cpp(conf, "c++03");
     } else if (lang == "C++11") {
         return compile_cpp(conf, "c++11");
-    } else if (lang == "C++14") {
-        return compile_cpp(conf, "c++14");
     } else if (lang == "C++17") {
         return compile_cpp(conf, "c++17");
     } else if (lang == "C++20") {
diff --git a/web/app/libs/uoj-html-lib.php b/web/app/libs/uoj-html-lib.php
index be86f4e..f470bd8 100644
--- a/web/app/libs/uoj-html-lib.php
+++ b/web/app/libs/uoj-html-lib.php
@@ -512,10 +512,13 @@ function echoSubmissionContent($submission, $requirement) {
 				case 'C++':
 				case 'C++11':
 				case 'C++17':
+				case 'C++20':
 				case 'C++98':
+				case 'C++03':
 					$sh_class = 'sh_cpp';
 					break;
 				case 'Python2':
+				case 'Python2.7':
 				case 'Python3':
 					$sh_class = 'sh_python';
 					break;
diff --git a/web/app/libs/uoj-judger-lib.php b/web/app/libs/uoj-judger-lib.php
index 3daf884..1a57d37 100644
--- a/web/app/libs/uoj-judger-lib.php
+++ b/web/app/libs/uoj-judger-lib.php
@@ -1,6 +1,6 @@
 <?php
 	global $uojSupportedLanguages, $uojMainJudgerWorkPath;
-	$uojSupportedLanguages = array('C', 'C++', 'C++11', 'C++17', 'C++98', 'Pascal', 'Python2', 'Python3');
+	$uojSupportedLanguages = array('C', 'C++', 'C++98', 'C++03', 'C++11', 'C++17', 'C++20', 'Pascal', 'Python2.7', 'Python3');
 	$uojMainJudgerWorkPath = "/opt/uoj/judger/uoj_judger";
 	
 	function authenticateJudger() {
diff --git a/web/js/uoj.js b/web/js/uoj.js
index 3a624da..71bced1 100644
--- a/web/js/uoj.js
+++ b/web/js/uoj.js
@@ -606,11 +606,14 @@ function get_codemirror_mode(lang) {
 		case 'C++':
 		case 'C++11':
 		case 'C++17':
+		case 'C++20':
 		case 'C++98':
+		case 'C++03':
 			return 'text/x-c++src';
 		case 'C':
 			return 'text/x-csrc';
 		case 'Python2':
+		case 'Python2.7':
 		case 'Python3':
 			return 'text/x-python';
 		case 'Pascal':