diff --git a/NEWS.md b/NEWS.md
index b8b6b0db..a655c66a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -20,6 +20,8 @@ Red Panda C++ Version 2.8
   - change: Disable undo limit by default.
   - fix: "Goto declaration" / "Goto definition" / "Find occurences" not correctly disabled for non-c/c++ files.
   - fix: Can't save new file using filename with custom suffix.
+  - fix: alt+shift+left/right can't select
+  - fix: Input any content will exit column mode.
 
 Red Panda C++ Version 2.7
 
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index f808b46c..9e2085b6 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -57,13 +57,16 @@ SaveException::SaveException(const QString& reason) {
     mReason = reason;
     mReasonBuffer = mReason.toLocal8Bit();
 }
+
 SaveException::SaveException(const QString&& reason) {
     mReason = reason;
     mReasonBuffer = mReason.toLocal8Bit();
 }
+
 const QString& SaveException::reason() const  noexcept{
     return mReason;
 }
+
 const char* SaveException::what() const noexcept {
     return mReasonBuffer;
 }
diff --git a/libs/qsynedit/qsynedit/KeyStrokes.cpp b/libs/qsynedit/qsynedit/KeyStrokes.cpp
index f824e08a..232aa30e 100644
--- a/libs/qsynedit/qsynedit/KeyStrokes.cpp
+++ b/libs/qsynedit/qsynedit/KeyStrokes.cpp
@@ -191,10 +191,12 @@ void EditKeyStrokes::resetDefaults()
     add(EditCommand::ScrollDown, Qt::Key_Down, Qt::ControlModifier);
     add(EditCommand::Left, Qt::Key_Left, Qt::NoModifier);
     add(EditCommand::SelLeft, Qt::Key_Left, Qt::ShiftModifier);
+    add(EditCommand::SelLeft, Qt::Key_Left, Qt::KeyboardModifiers(Qt::ShiftModifier | Qt::AltModifier));
     add(EditCommand::WordLeft, Qt::Key_Left, Qt::ControlModifier);
     add(EditCommand::SelWordLeft, Qt::Key_Left, Qt::KeyboardModifiers(Qt::ShiftModifier|Qt::ControlModifier));
     add(EditCommand::Right, Qt::Key_Right, Qt::NoModifier);
     add(EditCommand::SelRight, Qt::Key_Right, Qt::ShiftModifier);
+    add(EditCommand::SelRight, Qt::Key_Right, Qt::KeyboardModifiers(Qt::ShiftModifier | Qt::AltModifier));
     add(EditCommand::WordRight, Qt::Key_Right, Qt::ControlModifier);
     add(EditCommand::SelWordRight, Qt::Key_Right, Qt::KeyboardModifiers(Qt::ShiftModifier|Qt::ControlModifier));
 
diff --git a/libs/qsynedit/qsynedit/SynEdit.cpp b/libs/qsynedit/qsynedit/SynEdit.cpp
index 5166bb7a..931e4e3d 100644
--- a/libs/qsynedit/qsynedit/SynEdit.cpp
+++ b/libs/qsynedit/qsynedit/SynEdit.cpp
@@ -4364,6 +4364,8 @@ void SynEdit::doUndoItem()
                         item->changeSelMode(),
                         item->changeNumber());
             internalSetCaretXY(item->changeStartPos());
+            setBlockBegin(caretXY());
+            ensureCursorPosVisible();
             break;
         }
         case ChangeReason::MoveSelectionUp:
@@ -4407,6 +4409,7 @@ void SynEdit::doUndoItem()
                         item->changeText(),
                         item->changeSelMode(),
                         item->changeNumber());
+            setBlockBegin(caretXY());
             ensureCursorPosVisible();
             break;
         }
@@ -5487,19 +5490,34 @@ void SynEdit::doInsertText(const BufferCoord& pos,
     case SelectionMode::Normal:
         insertedLines = doInsertTextByNormalMode(pos,text, newPos);
         doLinesInserted(pos.line+1, insertedLines);
+        internalSetCaretXY(newPos);
+        setBlockBegin(newPos);
+        ensureCursorPosVisible();
         break;
     case SelectionMode::Column:
-        insertedLines = doInsertTextByColumnMode(pos,text, newPos, startLine,endLine);
+        insertedLines = doInsertTextByColumnMode(pos,text, startLine,endLine);
         doLinesInserted(endLine-insertedLines+1,insertedLines);
+        if (!text.isEmpty()) {
+            int textLen = text.back().length();
+            BufferCoord bb=blockBegin();
+            BufferCoord be=blockEnd();
+            bb.ch+=textLen;
+            be.ch+=textLen;
+            internalSetCaretXY(bb);
+            setBlockBegin(bb);
+            setBlockEnd(be);
+            ensureCursorPosVisible();
+        }
         break;
     case SelectionMode::Line:
         insertedLines = doInsertTextByLineMode(pos,text, newPos);
         doLinesInserted(pos.line, insertedLines);
+        internalSetCaretXY(newPos);
+        setBlockBegin(newPos);
+        ensureCursorPosVisible();
         break;
     }
-    internalSetCaretXY(newPos);
-    setBlockBegin(newPos);
-    ensureCursorPosVisible();
+
 }
 
 int SynEdit::doInsertTextByNormalMode(const BufferCoord& pos, const QStringList& text, BufferCoord &newPos)
@@ -5594,7 +5612,7 @@ int SynEdit::doInsertTextByNormalMode(const BufferCoord& pos, const QStringList&
     return result;
 }
 
-int SynEdit::doInsertTextByColumnMode(const BufferCoord& pos, const QStringList& text, BufferCoord &newPos, int startLine, int endLine)
+int SynEdit::doInsertTextByColumnMode(const BufferCoord& pos, const QStringList& text, int startLine, int endLine)
 {
     QString str;
     QString tempString;
@@ -5651,12 +5669,6 @@ int SynEdit::doInsertTextByColumnMode(const BufferCoord& pos, const QStringList&
         }
         line++;
     }
-    newPos=pos;
-    if (!text[0].isEmpty()) {
-        newPos.ch+=text[0].length();
-//        mCaretX+=firstLineLen;
-//        mStatusChanges.setFlag(SynStatusChange::scCaretX);
-    }
     if (!mUndoing) {
         mUndoList->endBlock();
     }
@@ -6761,30 +6773,30 @@ BufferCoord SynEdit::blockEnd() const
         return mBlockEnd;
 }
 
-void SynEdit::setBlockEnd(BufferCoord Value)
+void SynEdit::setBlockEnd(BufferCoord value)
 {
     //setActiveSelectionMode(mSelectionMode);
-    Value.line = minMax(Value.line, 1, mDocument->count());
+    value.line = minMax(value.line, 1, mDocument->count());
     if (mActiveSelectionMode == SelectionMode::Normal) {
-      if (Value.line >= 1 && Value.line <= mDocument->count())
-          Value.ch = std::min(Value.ch, getDisplayStringAtLine(Value.line).length() + 1);
+      if (value.line >= 1 && value.line <= mDocument->count())
+          value.ch = std::min(value.ch, getDisplayStringAtLine(value.line).length() + 1);
       else
-          Value.ch = 1;
+          value.ch = 1;
     } else {
         int maxLen = mDocument->lengthOfLongestLine();
         if (syntaxer())
             maxLen = maxLen+stringColumns(syntaxer()->foldString(),maxLen);
-        Value.ch = minMax(Value.ch, 1, maxLen+1);
+        value.ch = minMax(value.ch, 1, maxLen+1);
     }
-    if (Value.ch != mBlockEnd.ch || Value.line != mBlockEnd.line) {
-        if (mActiveSelectionMode == SelectionMode::Column && Value.ch != mBlockEnd.ch) {
+    if (value.ch != mBlockEnd.ch || value.line != mBlockEnd.line) {
+        if (mActiveSelectionMode == SelectionMode::Column && value.ch != mBlockEnd.ch) {
             invalidateLines(
-                        std::min(mBlockBegin.line, std::min(mBlockEnd.line, Value.line)),
-                        std::max(mBlockBegin.line, std::max(mBlockEnd.line, Value.line)));
-            mBlockEnd = Value;
+                        std::min(mBlockBegin.line, std::min(mBlockEnd.line, value.line)),
+                        std::max(mBlockBegin.line, std::max(mBlockEnd.line, value.line)));
+            mBlockEnd = value;
         } else {
             int nLine = mBlockEnd.line;
-            mBlockEnd = Value;
+            mBlockEnd = value;
             if (mActiveSelectionMode != SelectionMode::Column || mBlockBegin.ch != mBlockEnd.ch)
                 invalidateLines(nLine, mBlockEnd.line);
         }
diff --git a/libs/qsynedit/qsynedit/SynEdit.h b/libs/qsynedit/qsynedit/SynEdit.h
index 4d202e9a..a11d6fbe 100644
--- a/libs/qsynedit/qsynedit/SynEdit.h
+++ b/libs/qsynedit/qsynedit/SynEdit.h
@@ -550,7 +550,7 @@ private:
     void doDeleteText(BufferCoord startPos, BufferCoord endPos, SelectionMode mode);
     void doInsertText(const BufferCoord& pos, const QStringList& text, SelectionMode mode, int startLine, int endLine);
     int doInsertTextByNormalMode(const BufferCoord& pos, const QStringList& text, BufferCoord &newPos);
-    int doInsertTextByColumnMode(const BufferCoord& pos, const QStringList& text, BufferCoord &newPos, int startLine, int endLine);
+    int doInsertTextByColumnMode(const BufferCoord& pos, const QStringList& text, int startLine, int endLine);
     int doInsertTextByLineMode(const BufferCoord& pos, const QStringList& text, BufferCoord &newPos);
 
     void doTrimTrailingSpaces();