diff --git a/NEWS.md b/NEWS.md
index b554afd3..84ba4079 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+Red Panda C++ Version 1.1.6
+
+  - fix: block indent doesn't work
+
 Red Panda C++ Version 1.1.5
 
   - change: uncheck "hide unsupported files" in files view shouldn't gray out non-c files
diff --git a/RedPandaIDE/RedPandaIDE.pro b/RedPandaIDE/RedPandaIDE.pro
index 16f5a5f2..f140e839 100644
--- a/RedPandaIDE/RedPandaIDE.pro
+++ b/RedPandaIDE/RedPandaIDE.pro
@@ -10,7 +10,7 @@ isEmpty(APP_NAME) {
 }
 
 isEmpty(APP_VERSION) {
-    APP_VERSION=1.1.5
+    APP_VERSION=1.1.6
 }
 
 macos: {
diff --git a/RedPandaIDE/mainwindow.ui b/RedPandaIDE/mainwindow.ui
index d9a09a5e..a271cda2 100644
--- a/RedPandaIDE/mainwindow.ui
+++ b/RedPandaIDE/mainwindow.ui
@@ -871,7 +871,7 @@
      <enum>QTabWidget::South</enum>
     </property>
     <property name="currentIndex">
-     <number>2</number>
+     <number>1</number>
     </property>
     <property name="iconSize">
      <size>
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index 72ec0126..5a28ba38 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -2774,7 +2774,6 @@ void SynEdit::doBlockIndent()
     QStringList strToInsert;
     int e,x,i;
     QString spaces;
-    BufferCoord insertionPos;
 
     oldCaretPos = caretXY();
 
@@ -2802,19 +2801,41 @@ void SynEdit::doBlockIndent()
     } else {
         spaces = "\t";
     }
-    for (i = BB.line; i<e;i++) {
-        strToInsert.append(spaces);
-    }
-    strToInsert.append(spaces);
+//    for (i = BB.line; i<e;i++) {
+//        strToInsert.append(spaces);
+//    }
+//    strToInsert.append(spaces);
     mUndoList->beginBlock();
     mUndoList->addChange(SynChangeReason::Caret, oldCaretPos, oldCaretPos,QStringList(), activeSelectionMode());
     mUndoList->addChange(SynChangeReason::Selection,mBlockBegin,mBlockEnd,QStringList(), activeSelectionMode());
-    insertionPos.line = BB.line;
+    int ch;
     if (mActiveSelectionMode == SynSelectionMode::Column)
-      insertionPos.ch = std::min(BB.ch, BE.ch);
+      ch = std::min(BB.ch, BE.ch);
     else
-      insertionPos.ch = 1;
-    insertBlock(insertionPos, strToInsert);
+      ch = 1;
+    for (i = BB.line; i<=e;i++) {
+        if (i>mDocument->count())
+            break;
+        QString line=mDocument->getString(i-1);
+        if (ch>line.length()) {
+            mUndoList->addChange(
+                        SynChangeReason::Insert,
+                        BufferCoord{line.length(), i},
+                        BufferCoord{line.length()+spaces.length(), i},
+                        QStringList(),
+                        SynSelectionMode::Normal);
+            line+=spaces;
+        } else {
+            mUndoList->addChange(
+                        SynChangeReason::Insert,
+                        BufferCoord{ch, i},
+                        BufferCoord{ch+spaces.length(), i},
+                        QStringList(),
+                        SynSelectionMode::Normal);
+            line = line.left(ch-1)+spaces+line.mid(ch-1);
+        }
+        properSetLine(i-1,line);
+    }
     //adjust caret and selection
     oldCaretPos.ch = x;
     if (BB.ch > 1)
@@ -3255,12 +3276,6 @@ void SynEdit::doOnStatusChange(SynStatusChanges)
     mStatusChanges = SynStatusChange::scNone;
 }
 
-void SynEdit::insertBlock(const BufferCoord& startPos, const QStringList& blockText)
-{
-    setCaretAndSelection(startPos, startPos, startPos);
-    setSelTextPrimitiveEx(SynSelectionMode::Column, blockText);
-}
-
 void SynEdit::updateScrollbars()
 {
     int nMaxScroll;
diff --git a/RedPandaIDE/qsynedit/SynEdit.h b/RedPandaIDE/qsynedit/SynEdit.h
index e6a9ecd6..7aedd4fe 100644
--- a/RedPandaIDE/qsynedit/SynEdit.h
+++ b/RedPandaIDE/qsynedit/SynEdit.h
@@ -509,7 +509,6 @@ private:
     void internalSetCaretY(int Value);
     void setStatusChanged(SynStatusChanges changes);
     void doOnStatusChange(SynStatusChanges changes);
-    void insertBlock(const BufferCoord& startPos, const QStringList& blockText);
     void updateScrollbars();
     void updateCaret();
     void recalcCharExtent();
diff --git a/Red_Panda_CPP.pro b/Red_Panda_CPP.pro
index a83164ed..c5d3e37c 100644
--- a/Red_Panda_CPP.pro
+++ b/Red_Panda_CPP.pro
@@ -23,7 +23,7 @@ SUBDIRS += \
 
 APP_NAME = RedPandaCPP
 
-APP_VERSION = 1.1.5
+APP_VERSION = 1.1.6
 
 linux: {
     isEmpty(PREFIX) {