diff --git a/NEWS.md b/NEWS.md
index 19bf5ddd..65017fd4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,6 +4,7 @@ Red Panda C++ Version 2.23
   - enhancement: Code completion for '->' operator on std iterators.
   - enhancement: Tooltip support for '->' operator on std iterators.
   - enhancement: Close other editors.
+  - fix: Goto definition/Goto declaration/Info tips can't be correctly triggered when mouse pointer is at the last half character of current word.
 
 Red Panda C++ Version 2.22
 
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 9706be36..d0a284d2 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -3954,6 +3954,7 @@ Editor::TipType Editor::getTipType(QPoint point, QSynedit::BufferCoord& pos)
 {
     // Only allow in the text area...
     if (pointToCharLine(point, pos) && syntaxer()) {
+        //qDebug()<<gutterWidth()<<charWidth()<<point.y()<<point.x()<<pos.line<<pos.ch;
         if (!pMainWindow->debugger()->executing()
                 && getSyntaxIssueAtPosition(pos)) {
             return TipType::Error;
diff --git a/libs/qsynedit/qsynedit/qsynedit.cpp b/libs/qsynedit/qsynedit/qsynedit.cpp
index 108e977e..82d7c359 100644
--- a/libs/qsynedit/qsynedit/qsynedit.cpp
+++ b/libs/qsynedit/qsynedit/qsynedit.cpp
@@ -644,28 +644,22 @@ bool QSynEdit::pointToCharLine(const QPoint &point, BufferCoord &coord)
 {
     // Make sure it fits within the SynEdit bounds (and on the gutter)
     if ((point.x() < gutterWidth() + clientLeft())
-            || (point.x()>clientWidth()+clientLeft())
+            || (point.x()> clientWidth()+clientLeft())
             || (point.y() < clientTop())
             || (point.y() > clientTop()+clientHeight())) {
         return false;
     }
 
-    coord = displayToBufferPos(pixelsToNearestRowColumn(point.x(),point.y()));
+    coord = displayToBufferPos(pixelsToRowColumn(point.x(),point.y()));
     return true;
 }
 
 bool QSynEdit::pointToLine(const QPoint &point, int &line)
 {
-    // Make sure it fits within the SynEdit bounds
-    if ((point.x() < clientLeft())
-            || (point.x()>clientWidth()+clientLeft())
-            || (point.y() < clientTop())
-            || (point.y() > clientTop()+clientHeight())) {
-        return false;
-    }
-
-    BufferCoord coord = displayToBufferPos(pixelsToNearestRowColumn(point.x(),point.y()));
-    line = coord.line;
+    BufferCoord coord;
+    bool result = pointToCharLine(point,coord);
+    if (result)
+        line=coord.line;
     return true;
 }
 
@@ -1225,23 +1219,23 @@ void QSynEdit::unCollpaseAll()
 
 void QSynEdit::processGutterClick(QMouseEvent *event)
 {
-    int X = event->pos().x();
-    int Y = event->pos().y();
-    DisplayCoord RowColumn = pixelsToNearestRowColumn(X, Y);
-    int Line = rowToLine(RowColumn.Row);
+    int x = event->pos().x();
+    int y = event->pos().y();
+    DisplayCoord rowColumn = pixelsToNearestRowColumn(x, y);
+    int line = rowToLine(rowColumn.Row);
 
     // Check if we clicked on a folding thing
     if (mUseCodeFolding) {
-        PCodeFoldingRange foldRange = foldStartAtLine(Line);
+        PCodeFoldingRange foldRange = foldStartAtLine(line);
         if (foldRange) {
             // See if we actually clicked on the rectangle...
             //rect.Left := Gutter.RealGutterWidth(CharWidth) - Gutter.RightOffset;
             QRect rect;
             rect.setLeft(mGutterWidth - mGutter.rightOffset());
             rect.setRight(rect.left() + mGutter.rightOffset() - 4);
-            rect.setTop((RowColumn.Row - mTopLine) * mTextHeight);
+            rect.setTop((rowColumn.Row - mTopLine) * mTextHeight);
             rect.setBottom(rect.top() + mTextHeight - 1);
-            if (rect.contains(QPoint(X, Y))) {
+            if (rect.contains(event->pos())) {
                 if (foldRange->collapsed)
                     uncollapse(foldRange);
                 else
@@ -1252,8 +1246,8 @@ void QSynEdit::processGutterClick(QMouseEvent *event)
     }
 
     // If not, check gutter marks
-    if (Line>=1 && Line <= mDocument->count()) {
-        emit gutterClicked(event->button(),X,Y,Line);
+    if (line>=1 && line <= mDocument->count()) {
+        emit gutterClicked(event->button(),x,y,line);
     }
 }