diff --git a/judger/uoj_judger/include/uoj_judger.h b/judger/uoj_judger/include/uoj_judger.h
index 8938b6f..a034a3d 100644
--- a/judger/uoj_judger/include/uoj_judger.h
+++ b/judger/uoj_judger/include/uoj_judger.h
@@ -987,6 +987,14 @@ RunCompilerResult compile_cpp11(const string &name, const string &path = work_pa
 	return run_compiler(path.c_str(),
 			"/usr/bin/g++", "-o", name.c_str(), "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++11", NULL);
 }
+RunCompilerResult compile_cpp17(const string &name, const string &path = work_path) {
+	return run_compiler(path.c_str(),
+			"/usr/bin/g++", "-o", name.c_str(), "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++17", NULL);
+}
+RunCompilerResult compile_cpp98(const string &name, const string &path = work_path) {
+	return run_compiler(path.c_str(),
+			"/usr/bin/g++", "-o", name.c_str(), "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++98", NULL);
+}
 RunCompilerResult compile_python2(const string &name, const string &path = work_path) {
 	return run_compiler(path.c_str(),
 			"/usr/bin/python2.7", "-E", "-s", "-B", "-O", "-c",
@@ -1000,7 +1008,7 @@ RunCompilerResult compile_python3(const string &name, const string &path = work_
 RunCompilerResult compile(const char *name)  {
 	string lang = conf_str(string(name) + "_language");
 
-	if ((lang == "C++" || lang == "C++11" || lang == "C") && has_illegal_keywords_in_file(work_path + "/" + name + ".code"))
+	if ((lang == "C++" || lang == "C++11" || lang == "C++17" || lang == "C++98" || lang == "C") && has_illegal_keywords_in_file(work_path + "/" + name + ".code"))
 	{
 		RunCompilerResult res;
 		res.type = RS_DGS;
@@ -1017,6 +1025,12 @@ RunCompilerResult compile(const char *name)  {
 	if (lang == "C++11") {
 		return compile_cpp11(name);
 	}
+	if (lang == "C++17") {
+		return compile_cpp17(name);
+	}
+	if (lang == "C++98") {
+		return compile_cpp98(name);
+	}
 	if (lang == "Python2") {
 		return compile_python2(name);
 	}
@@ -1046,12 +1060,20 @@ RunCompilerResult compile_pas_with_implementer(const string &name, const string
 }
 RunCompilerResult compile_cpp_with_implementer(const string &name, const string &path = work_path) {
 	return run_compiler(path.c_str(),
-			"/usr/bin/g++", "-o", name.c_str(), "implementer.cpp", "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", NULL);
+			"/usr/bin/g++", "-o", name.c_str(), "implementer.cpp", "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++14", NULL);
+}
+RunCompilerResult compile_cpp98_with_implementer(const string &name, const string &path = work_path) {
+	return run_compiler(path.c_str(),
+			"/usr/bin/g++", "-o", name.c_str(), "implementer.cpp", "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++98", NULL);
 }
 RunCompilerResult compile_cpp11_with_implementer(const string &name, const string &path = work_path) {
 	return run_compiler(path.c_str(),
 			"/usr/bin/g++", "-o", name.c_str(), "implementer.cpp", "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++11", NULL);
 }
+RunCompilerResult compile_cpp17_with_implementer(const string &name, const string &path = work_path) {
+	return run_compiler(path.c_str(),
+			"/usr/bin/g++", "-o", name.c_str(), "implementer.cpp", "-x", "c++", (name + ".code").c_str(), "-lm", "-O2", "-DONLINE_JUDGE", "-std=c++17", NULL);
+}
 /*
 RunCompilerResult compile_python2(const string &name, const string &path = work_path) {
 	return run_compiler(path.c_str(),
@@ -1083,6 +1105,12 @@ RunCompilerResult compile_with_implementer(const char *name)  {
 	if (lang == "C++11") {
 		return compile_cpp11_with_implementer(name);
 	}
+	if (lang == "C++17") {
+		return compile_cpp17_with_implementer(name);
+	}
+	if (lang == "C++98") {
+		return compile_cpp98_with_implementer(name);
+	}
 	if (lang == "C") {
 		return compile_c_with_implementer(name);
 	}
diff --git a/web/app/controllers/faq.php b/web/app/controllers/faq.php
index cf3ea12..b94bba5 100644
--- a/web/app/controllers/faq.php
+++ b/web/app/controllers/faq.php
@@ -54,7 +54,7 @@
 				<div class="card-body">
 					<p>默认的测评环境是 Ubuntu Linux 20.04 LTS x64。</p>
 					<p>C的编译器是 gcc 9.4.0，编译命令：<code>gcc code.c -o code -lm -O2 -DONLINE_JUDGE</code>。</p>
-					<p>C++的编译器是 g++ 9.4.0，编译命令：<code>g++ code.cpp -o code -lm -O2 -DONLINE_JUDGE</code>。如果选择C++11会在编译命令后面添加<code>-std=c++11</code>。</p>
+					<p>C++的编译器是 g++ 9.4.0，编译命令：<code>g++ code.cpp -o code -lm -O2 -DONLINE_JUDGE</code>。默认为 C++14，如果选择特定语言版本会添加 <code>-std=</code> 参数。</p>
 					<p>Pascal的编译器是 fpc 3.0.4，编译命令：<code>fpc code.pas -O2</code>。</p>
 					<p>Python会先编译为优化过的字节码<samp>.pyo</samp>文件。支持的Python版本分别为Python 2.7和3.8。</p>
 				</div>
diff --git a/web/app/libs/uoj-html-lib.php b/web/app/libs/uoj-html-lib.php
index 57907ea..f38b82b 100644
--- a/web/app/libs/uoj-html-lib.php
+++ b/web/app/libs/uoj-html-lib.php
@@ -430,6 +430,8 @@ function echoSubmissionContent($submission, $requirement) {
 			switch ($file_language) {
 				case 'C++':
 				case 'C++11':
+				case 'C++17':
+				case 'C++98':
 					$sh_class = 'sh_cpp';
 					break;
 				case 'Python2':
diff --git a/web/app/libs/uoj-judger-lib.php b/web/app/libs/uoj-judger-lib.php
index db46221..01c1db6 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', 'Pascal', 'Python2', 'Python3');
+	$uojSupportedLanguages = array('C', 'C++', 'C++11', 'C++17', 'C++98', 'Pascal', 'Python2', 'Python3');
 	$uojMainJudgerWorkPath = "/opt/uoj/judger/uoj_judger";
 	
 	function authenticateJudger() {
diff --git a/web/js/uoj.js b/web/js/uoj.js
index 77648a2..4ecb91c 100644
--- a/web/js/uoj.js
+++ b/web/js/uoj.js
@@ -561,6 +561,8 @@ function get_codemirror_mode(lang) {
 	switch (lang) {
 		case 'C++':
 		case 'C++11':
+		case 'C++17':
+		case 'C++98':
 			return 'text/x-c++src';
 		case 'C':
 			return 'text/x-csrc';