diff --git a/Src/nmNum/nmSubWxs/nmWxForecast.cpp b/Src/nmNum/nmSubWxs/nmWxForecast.cpp
index c3f85ec1..9414e893 100644
--- a/Src/nmNum/nmSubWxs/nmWxForecast.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxForecast.cpp
@@ -651,6 +651,8 @@ void nmWxForecast::onMultiplePressuresSelected()
 
 void nmWxForecast::onMultipleRatesSelected()
 {
+	// 重复点击已选中的模式不刷新表格，避免清空再填充造成闪烁。
+	if(m_forecastData.getForecastOption() == nmDataForecast::MultipleRatesOption) return;
 	updateDataFromUI();  // 保存当前界面数据
 	m_forecastData.setForecastOption(nmDataForecast::MultipleRatesOption);
 	updateParametersForOption();