diff --git a/NEWS.md b/NEWS.md
index 50d9aaf2..6eb6bc65 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -10,6 +10,7 @@ Red Panda C++ Version 3.2
   - fix: While Control is pressed, can't start Drag&Drop by mouse.
   - enhancement: Auto detect gdb ACP (by CyanoHao)
   - fix:  When debugging project, the executing source file is not auto switched to. （#476）
+  - enhancement: Support Raw string literal with LR/UR/uR/u8R prefix.
   
 
 Red Panda C++ Version 3.1
diff --git a/libs/qsynedit/qsynedit/syntaxer/cpp.cpp b/libs/qsynedit/qsynedit/syntaxer/cpp.cpp
index bcbb6a2b..1973036f 100644
--- a/libs/qsynedit/qsynedit/syntaxer/cpp.cpp
+++ b/libs/qsynedit/qsynedit/syntaxer/cpp.cpp
@@ -1628,6 +1628,14 @@ void CppSyntaxer::next()
                 mRun+=2;
                 mRange.state = RangeState::rsRawString;
                 procRawString();
+            } else if (mRun+2<mLineSize && (mLine[mRun] == 'L' || mLine[mRun] == 'u' || mLine[mRun]=='U')  && mLine[mRun+1] == 'R' && mLine[mRun+2]=='\"') {
+                mRun+=3;
+                mRange.state = RangeState::rsRawString;
+                procRawString();
+            } else if (mRun+3<mLineSize && mLine[mRun] == 'u' && mLine[mRun+1] == '8' && mLine[mRun+2] == 'R' && mLine[mRun+3]=='\"') {
+                mRun+=4;
+                mRange.state = RangeState::rsRawString;
+                procRawString();
             } else if (mRun+1<mLineSize && (mLine[mRun] == 'L' || mLine[mRun] == 'u' || mLine[mRun]=='U') && mLine[mRun+1]=='\"') {
                 //qDebug()<<"*d-0-0*";
                 mRun+=1;