diff --git a/src/views/sponeScreen/gisMF/cesiumPopup.vue b/src/views/sponeScreen/gisMF/cesiumPopup.vue
index cd7e9d1..97878ec 100644
--- a/src/views/sponeScreen/gisMF/cesiumPopup.vue
+++ b/src/views/sponeScreen/gisMF/cesiumPopup.vue
@@ -188,12 +188,15 @@
   if (res && res.code == 200) {
     let datas = res.data;
     console.log(datas, 'datas');
-    // if (datas.propertyMonitorXList.length == 0) return;
     // echarts赋值
     chartOption.floodOneMapFXYP.xAxis[0].data = datas.riverX; //x轴
     chartOption.floodOneMapFXYP.series[1].data = datas.riverY; //河床高度
-    chartOption.floodOneMapFXYP.series[1].markLine.data[0].yAxis = datas.sfZ; //设防水位
-    chartOption.floodOneMapFXYP.series[1].markLine.data[0].label.formatter = '设防水位 ' + datas.sfZ + 'm';
+    //设防水位 datas.sfZ  目前取河床低的一侧0.1米处
+    let sfsw = (
+      (datas.riverY[0] < datas.riverY[datas.riverY.length - 1] ? datas.riverY[0] : datas.riverY[datas.riverY.length - 1]) - 0.1
+    ).toFixed(1);
+    chartOption.floodOneMapFXYP.series[1].markLine.data[0].yAxis = sfsw;
+    chartOption.floodOneMapFXYP.series[1].markLine.data[0].label.formatter = '设防水位 ' + sfsw + 'm';
     let arrs2 = [];
     datas.riverX.map(item => {
       arrs2.push(Number(datas.z) + Number(datas.gcZ));