diff --git a/NEWS.md b/NEWS.md
index a93ec0fb..49c8cab3 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -7,6 +7,7 @@ Version 0.6.0
  - enhancement: todo view
  - add: about dialog
  - implement: correctly recognize clang (msys2 build)
+ - enhancement: don't add encoding options when using clang to compile (clang only support utf-8)
 
 Version 0.5.0
  - enhancement: support C++ using type alias;
diff --git a/RedPandaIDE/compiler/compiler.cpp b/RedPandaIDE/compiler/compiler.cpp
index 0082d35a..0f2c9f27 100644
--- a/RedPandaIDE/compiler/compiler.cpp
+++ b/RedPandaIDE/compiler/compiler.cpp
@@ -258,7 +258,8 @@ void Compiler::stopCompile()
 QString Compiler::getCharsetArgument(const QByteArray& encoding)
 {
     QString result;
-    if (compilerSet()->autoAddCharsetParams() && encoding != ENCODING_ASCII) {
+    if (compilerSet()->autoAddCharsetParams() && encoding != ENCODING_ASCII
+            && compilerSet()->compilerType()!="Clang") {
         QString encodingName;
         QString systemEncodingName=pCharsetInfoManager->getDefaultSystemEncoding();
         if (encoding == ENCODING_SYSTEM_DEFAULT) {
diff --git a/RedPandaIDE/compiler/compilermanager.cpp b/RedPandaIDE/compiler/compilermanager.cpp
index f910f363..d6530295 100644
--- a/RedPandaIDE/compiler/compilermanager.cpp
+++ b/RedPandaIDE/compiler/compilermanager.cpp
@@ -8,6 +8,7 @@
 #include "../settings.h"
 #include <QMessageBox>
 #include "projectcompiler.h"
+#include "../platform.h"
 
 CompilerManager::CompilerManager(QObject *parent) : QObject(parent)
 {
@@ -44,6 +45,18 @@ void CompilerManager::compile(const QString& filename, const QByteArray& encodin
                               tr("No compiler set is configured.")+tr("Can't start debugging."));
         return;
     }
+    if (pSettings->compilerSets().defaultSet()->compilerType() == "Clang"
+            && (
+                (encoding!= ENCODING_ASCII && encoding!=ENCODING_UTF8)
+                || (encoding == ENCODING_UTF8
+                    && pCharsetInfoManager->getDefaultSystemEncoding()!=ENCODING_UTF8)
+            )) {
+        QMessageBox::information(pMainWindow,
+                              tr("Encoding not support"),
+                              tr("Clang only support utf-8 encoding.")
+                                 +"<br />"
+                                 +tr("Strings in the program might be wrongly processed."));
+    }
     {
         QMutexLocker locker(&mCompileMutex);
         if (mCompiler!=nullptr) {
diff --git a/RedPandaIDE/settings.cpp b/RedPandaIDE/settings.cpp
index 99a1435b..9f6545e9 100644
--- a/RedPandaIDE/settings.cpp
+++ b/RedPandaIDE/settings.cpp
@@ -2481,6 +2481,7 @@ void Settings::CompilerSets::saveSet(int index)
     mSettings->mSettings.setValue("Type", pSet->type());
     mSettings->mSettings.setValue("Name", pSet->name());
     mSettings->mSettings.setValue("Target", pSet->target());
+    mSettings->mSettings.setValue("CompilerType", pSet->compilerType());
 
     // Paths
     savePathList("Bins",pSet->binDirs());
@@ -2542,6 +2543,7 @@ Settings::PCompilerSet Settings::CompilerSets::loadSet(int index)
     pSet->setType(mSettings->mSettings.value("Type").toString());
     pSet->setName(mSettings->mSettings.value("Name").toString());
     pSet->setTarget(mSettings->mSettings.value("Target").toString());
+    pSet->setCompilerType(mSettings->mSettings.value("CompilerType").toString());
 
     // Paths
     loadPathList("Bins",pSet->binDirs());