diff --git a/app/nsis/installer.nsh b/app/nsis/installer.nsh
index 262714354..5c1072a83 100644
--- a/app/nsis/installer.nsh
+++ b/app/nsis/installer.nsh
@@ -23,13 +23,22 @@ Caption "${PRODUCT_NAME} ${VERSION}"
 
 !macro customUnInstall
     ${IfNot} ${isUpdated}
-        MessageBox MB_YESNO "是否需要删除全局配置（$PROFILE\.config\siyuan\）？$\n$\n\
+        MessageBox MB_YESNO "是否需要彻底删除全局配置（$PROFILE\.config\siyuan\）？$\n$\n\
             Do you want to delete the global configuration ($PROFILE\.config\siyuan\)?$\n" \
             /SD IDYES IDYES Accepted IDNO Skipped
             Accepted:
                 RMDir /r "$PROFILE\.config\siyuan\"
             Skipped:
     ${EndIf}
+
+    ${IfNot} ${isUpdated}
+        MessageBox MB_YESNO "是否需要彻底删除默认工作空间（$PROFILE\SiYuan\）？$\n$\n\
+            Do you want to completely delete the default workspace ($PROFILE\SiYuan\)?$\n" \
+            /SD IDYES IDYES Accepted IDNO Skipped
+            Accepted:
+                RMDir /r "$PROFILE\SiYuan\"
+            Skipped:
+    ${EndIf}
 !macroend
 
 # https://nsis.sourceforge.io/FindIt:_Simple_search_for_file_/_directory