diff --git a/src/translations/Dyt_zh_CN.ts b/src/translations/Dyt_zh_CN.ts
index 6c431cd5..2f631bcd 100644
--- a/src/translations/Dyt_zh_CN.ts
+++ b/src/translations/Dyt_zh_CN.ts
@@ -694,12 +694,12 @@
 <context>
     <name>OsgWidget</name>
     <message>
-        <location filename="../viewer/OsgWidget.cpp" line="86"/>
+        <location filename="../viewer/OsgWidget.cpp" line="93"/>
         <source>warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../viewer/OsgWidget.cpp" line="87"/>
+        <location filename="../viewer/OsgWidget.cpp" line="94"/>
         <source>open dyt file failed</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/src/viewer/OsgWidget.cpp b/src/viewer/OsgWidget.cpp
index 9cee8512..0fb5a937 100644
--- a/src/viewer/OsgWidget.cpp
+++ b/src/viewer/OsgWidget.cpp
@@ -50,6 +50,13 @@ OsgWidget::OsgWidget(QWidget* parent, Qt::WindowFlags f)
 
 OsgWidget::~OsgWidget() {
     LOG_INFO("OsgWidget::~OsgWidget");
+    if (nullptr != workspace_) {
+        workspace_->Unlaod();
+    }
+    if (nullptr != viewUI_) {
+		viewUI_->RemoveUI(activeScene_->GetOrCreateSceneUI());
+        viewUI_ = nullptr;
+    }
 }
 
 void OsgWidget::Initialize() {