diff --git a/NEWS.md b/NEWS.md
index 90a5af9d..b9dd5ccd 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -9,6 +9,8 @@ Red Panda C++ Version 1.0.8
   - enhancement: adjust scheme colors for "dark" and "high contrast" themes
   - enhancement: can debug files that has non-ascii chars in its path and is compiled by clang
   - fix: when debugging project, default compiler set is wrongly used
+  - fix: selection in column mode not correctly drawn when has wide char in it
+  
 
 Red Panda C++ Version 1.0.7
   - change: use Shift+Enter to break line
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index f408a50e..b494b0b2 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -6625,13 +6625,6 @@ void SynEdit::setActiveSelectionMode(const SynSelectionMode &Value)
 
 BufferCoord SynEdit::blockEnd() const
 {
-    if (mActiveSelectionMode == SynSelectionMode::smColumn) {
-        return BufferCoord{
-            std::max(mBlockBegin.Char,mBlockEnd.Char),
-            std::max(mBlockBegin.Line,mBlockEnd.Line),
-        };
-    }
-
     if ((mBlockEnd.Line < mBlockBegin.Line)
       || ((mBlockEnd.Line == mBlockBegin.Line) && (mBlockEnd.Char < mBlockBegin.Char)))
         return mBlockBegin;
@@ -6723,12 +6716,6 @@ void SynEdit::setSelText(const QString &text)
 
 BufferCoord SynEdit::blockBegin() const
 {
-    if (mActiveSelectionMode == SynSelectionMode::smColumn) {
-        return BufferCoord{
-            std::min(mBlockBegin.Char,mBlockEnd.Char),
-            std::min(mBlockBegin.Line,mBlockEnd.Line),
-        };
-    }
     if ((mBlockEnd.Line < mBlockBegin.Line)
       || ((mBlockEnd.Line == mBlockBegin.Line) && (mBlockEnd.Char < mBlockBegin.Char)))
         return mBlockEnd;
diff --git a/RedPandaIDE/qsynedit/TextPainter.cpp b/RedPandaIDE/qsynedit/TextPainter.cpp
index 726d1a9f..2591f555 100644
--- a/RedPandaIDE/qsynedit/TextPainter.cpp
+++ b/RedPandaIDE/qsynedit/TextPainter.cpp
@@ -859,21 +859,29 @@ void SynEditTextPainter::PaintLines()
             nLineSelEnd = LastCol + 1;
             if ((edit->mActiveSelectionMode == SynSelectionMode::smColumn) ||
                 ((edit->mActiveSelectionMode == SynSelectionMode::smNormal) && (cRow == vSelStart.Row)) ) {
-                if (vSelStart.Column > LastCol) {
+                int ch = edit->columnToChar(vLine,vSelStart.Column);
+                qDebug()<<"-1-"<<vLine<<ch;
+                ch = edit->charToColumn(vLine,ch);
+                qDebug()<<"-2-"<<vLine<<ch;
+                if (ch > LastCol) {
                     nLineSelStart = 0;
                     nLineSelEnd = 0;
-                } else if (vSelStart.Column > FirstCol) {
-                    nLineSelStart = vSelStart.Column;
+                } else if (ch > FirstCol) {
+                    nLineSelStart = ch;
                     bComplexLine = true;
                 }
             }
             if ( (edit->mActiveSelectionMode == SynSelectionMode::smColumn) ||
                 ((edit->mActiveSelectionMode == SynSelectionMode::smNormal) && (cRow == vSelEnd.Row)) ) {
-                if (vSelEnd.Column < FirstCol) {
+                int ch = edit->columnToChar(vLine,vSelEnd.Column);
+                int col = edit->charToColumn(vLine,ch);
+                if (col<vSelEnd.Column)
+                    col = edit->charToColumn(vLine,ch+1);
+                if (col < FirstCol) {
                     nLineSelStart = 0;
                     nLineSelEnd = 0;
-                } else if (vSelEnd.Column < LastCol) {
-                    nLineSelEnd = vSelEnd.Column;
+                } else if (col < LastCol) {
+                    nLineSelEnd = col;
                     bComplexLine = true;
                 }
             }