diff --git a/NEWS.md b/NEWS.md
index ec9e2221..e223d94d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -10,6 +10,7 @@ Red Panda C++ Version 3.1
   - enhancement: Handle problems info from competitive-companion in background thread.
   - enhancement: Handle time/memory limits in problems info from competitive-companion in background thread.
   - enhancement: When problems info from competitive-companion received, show tips in the status bar.  
+  - fix: Layout for function tips.
 
 Red Panda C++ Version 3.0
 
diff --git a/RedPandaIDE/widgets/functiontooltipwidget.cpp b/RedPandaIDE/widgets/functiontooltipwidget.cpp
index 9b75899b..bca2aa22 100644
--- a/RedPandaIDE/widgets/functiontooltipwidget.cpp
+++ b/RedPandaIDE/widgets/functiontooltipwidget.cpp
@@ -49,6 +49,9 @@ FunctionTooltipWidget::FunctionTooltipWidget(QWidget *parent) :
     layout()->addWidget(mTotalLabel);
     layout()->addWidget(mDownButton);
     layout()->addWidget(mInfoLabel);
+    QSizePolicy policy=mInfoLabel->sizePolicy();
+    policy.setHorizontalPolicy(QSizePolicy::Expanding);
+    mInfoLabel->setSizePolicy(policy);
     connect(mUpButton,&QPushButton::clicked,
             this,&FunctionTooltipWidget::previousTip);
     connect(mDownButton,&QPushButton::clicked,