diff --git a/NEWS.md b/NEWS.md
index 27e9b863..df0834f7 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -24,6 +24,8 @@ Red Panda C++ Version 0.14.5
   - fix: save project's layout shouldn't modify the project file
   - enhancement: use expression processing in syntax highlighting for identifiers
   - fix: if a function's declaration can't be found, it will be wrongly highlighted as variable
+  - change: "locate in files view" won't change the working folder, if current file is in subfolders of the working folder
+  - enhancement: hide function tips, when input method is visible
 
 Red Panda C++ Version 0.14.4
   - enhancement: git - log
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 07449cd5..3f57930b 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -178,6 +178,8 @@ Editor::Editor(QWidget *parent, const QString& filename,
         mParentPageControl->addTab(this,"");
         updateCaption();
     }
+    connect(&mFunctionTipTimer, &QTimer::timeout,
+            this, &Editor::onFunctionTipsTimer);
 }
 
 Editor::~Editor() {
@@ -1548,7 +1550,10 @@ void Editor::onStatusChanged(SynStatusChanges changes)
 
         // Update the function tip
         if (pSettings->editor().showFunctionTips()) {
-            updateFunctionTip();
+            updateFunctionTip(false);
+            mFunctionTipTimer.stop();
+            mFunctionTipTimer.start(500);
+//          updateFunctionTip();
         }
     }
 
@@ -1612,6 +1617,12 @@ void Editor::onLinesInserted(int first, int count)
     }
 }
 
+void Editor::onFunctionTipsTimer()
+{
+    mFunctionTipTimer.stop();
+    updateFunctionTip(true);
+}
+
 bool Editor::isBraceChar(QChar ch)
 {
     switch( ch.unicode()) {
@@ -3367,12 +3378,16 @@ QString Editor::getHintForFunction(const PStatement &statement, const PStatement
     return result;
 }
 
-void Editor::updateFunctionTip()
+void Editor::updateFunctionTip(bool showTip)
 {
     if (pMainWindow->completionPopup()->isVisible()) {
         pMainWindow->functionTip()->hide();
         return;
     }
+    if (inputMethodOn()) {
+        pMainWindow->functionTip()->hide();
+        return;
+    }
     if (!highlighter())
         return;
 
@@ -3571,7 +3586,8 @@ void Editor::updateFunctionTip()
                 currentParamPos
                 );
     cancelHint();
-    pMainWindow->functionTip()->show();
+    if (showTip)
+        pMainWindow->functionTip()->show();
 }
 
 void Editor::clearUserCodeInTabStops()
diff --git a/RedPandaIDE/editor.h b/RedPandaIDE/editor.h
index 9eb62ed5..b0442eaf 100644
--- a/RedPandaIDE/editor.h
+++ b/RedPandaIDE/editor.h
@@ -232,6 +232,7 @@ private slots:
     void onTipEvalValueReady(const QString& value);
     void onLinesDeleted(int first,int count);
     void onLinesInserted(int first,int count);
+    void onFunctionTipsTimer();
 
 private:
     bool isBraceChar(QChar ch);
@@ -277,7 +278,7 @@ private:
     QString getHintForFunction(const PStatement& statement, const PStatement& scope,
                                const QString& filename, int line);
 
-    void updateFunctionTip();
+    void updateFunctionTip(bool showTip);
     void clearUserCodeInTabStops();
     void popUserCodeInTabStops();
     void onExportedFormatToken(PSynHighlighter syntaxHighlighter, int Line, int column, const QString& token,
@@ -329,6 +330,7 @@ private:
     BufferCoord mHighlightCharPos1;
     BufferCoord mHighlightCharPos2;
     std::shared_ptr<QHash<StatementKind, std::shared_ptr<ColorSchemeItem> > > mStatementColors;
+    QTimer mFunctionTipTimer;
 
     // QWidget interface
 protected:
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index aa21d07b..ed88b23f 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -6216,15 +6216,19 @@ void MainWindow::on_actionLocate_in_Files_View_triggered()
 {
     Editor * editor = mEditorList->getEditor();
     if (editor) {
-        QString fileDir = extractFileDir(editor->filename());
-        if (!fileDir.isEmpty()) {
-            setFilesViewRoot(fileDir);
-            QModelIndex index = mFileSystemModel.index(editor->filename());
-            ui->treeFiles->setCurrentIndex(index);
-            ui->treeFiles->scrollTo(index, QAbstractItemView::PositionAtCenter);
-            ui->tabInfos->setCurrentWidget(ui->tabFiles);
-            openCloseLeftPanel(true);
+        QModelIndex index = mFileSystemModel.index(editor->filename());
+        if (!index.isValid()) {
+            QString fileDir = extractFileDir(editor->filename());
+            if (!fileDir.isEmpty())
+                setFilesViewRoot(fileDir);
+            else
+                return;
+            index = mFileSystemModel.index(editor->filename());
         }
+        ui->treeFiles->setCurrentIndex(index);
+        ui->treeFiles->scrollTo(index, QAbstractItemView::PositionAtCenter);
+        ui->tabInfos->setCurrentWidget(ui->tabFiles);
+        openCloseLeftPanel(true);
     }
 }
 
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index 1b6f7beb..73b88671 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -122,10 +122,6 @@ SynEdit::SynEdit(QWidget *parent) : QAbstractScrollArea(parent)
     setDefaultKeystrokes();
     mRightEdgeColor = Qt::lightGray;
 
-    /* IME input */
-    mImeCount = 0;
-    mMBCSStepAside = false;
-    /* end of IME input */
     mWantReturns = true;
     mWantTabs = false;
     mTabWidth = 4;
@@ -1095,6 +1091,11 @@ void SynEdit::setCaretAndSelection(const BufferCoord &ptCaret, const BufferCoord
     setBlockEnd(ptAfter);
 }
 
+bool SynEdit::inputMethodOn()
+{
+    return !mInputPreeditString.isEmpty();
+}
+
 void SynEdit::collapseAll()
 {
     for (int i = mAllFoldRanges.count()-1;i>=0;i--){
@@ -2940,7 +2941,6 @@ void SynEdit::doOnPaintTransient(SynTransientType TransientType)
 
 void SynEdit::updateLastCaretX()
 {
-    mMBCSStepAside = false;
     mLastCaretColumn = displayX();
 }
 
@@ -4712,17 +4712,15 @@ void SynEdit::moveCaretVert(int DY, bool isSelection)
     }
     BufferCoord vDstLineChar = displayToBufferPos(ptDst);
     int SaveLastCaretX = mLastCaretColumn;
-    bool NewStepAside = mMBCSStepAside;
 
     // set caret and block begin / end
     incPaintLock();
     moveCaretAndSelection(mBlockBegin, vDstLineChar, isSelection);
     decPaintLock();
 
-    // Set fMBCSStepAside and restore fLastCaretX after moving caret, since
+    // Restore fLastCaretX after moving caret, since
     // UpdateLastCaretX, called by SetCaretXYEx, changes them. This is the one
     // case where we don't want that.
-    mMBCSStepAside = NewStepAside;
     mLastCaretColumn = SaveLastCaretX;
 }
 
diff --git a/RedPandaIDE/qsynedit/SynEdit.h b/RedPandaIDE/qsynedit/SynEdit.h
index 24d2029e..5e06f862 100644
--- a/RedPandaIDE/qsynedit/SynEdit.h
+++ b/RedPandaIDE/qsynedit/SynEdit.h
@@ -236,6 +236,8 @@ public:
                               const BufferCoord& ptBefore,
                               const BufferCoord& ptAfter);
 
+    bool inputMethodOn();
+
     void collapseAll();
     void unCollpaseAll();
     void uncollapseAroundLine(int line);
@@ -624,10 +626,7 @@ private:
     QFont mFontForNonAscii;
     SynFontSmoothMethod mFontSmoothing;
     bool mMouseMoved;
-    /* IME input */
-    int mImeCount;
-    bool mMBCSStepAside;
-    /* end of IME input */
+
     bool mInserting;
     bool mPainting;
     PSynEditStringList mLines;