fix:bug[17269] 清空搜索记录-弹框和按钮颜色不对

@@ -17,7 +17,8 @@ export struct SearchHistoryComponent{
         this.onAccept()
         this.onAccept()
       },
       },
       title: "确认清空历史记录",
       title: "确认清空历史记录",
-      tipShow:false
+      tipShow:false,
+      leftTextColor:$r('app.color.color_648DF2')
     }),
     }),
     autoCancel: true,
     autoCancel: true,
     alignment: DialogAlignment.Center,
     alignment: DialogAlignment.Center,