diff --git a/sec-beidou/src/main/resources/templates/page/gnss_data_calc.html b/sec-beidou/src/main/resources/templates/page/gnss_data_calc.html
index c9c5757c..0393409f 100644
--- a/sec-beidou/src/main/resources/templates/page/gnss_data_calc.html
+++ b/sec-beidou/src/main/resources/templates/page/gnss_data_calc.html
@@ -462,7 +462,12 @@
             var baseFU2 = 0;
 
             for(var i=chartData.length-1; i>=0; i--){
-                if(chartData[i].rpose!=null && chartData[i].r9250e!=null) {
+                if(chartData[i].rpose!=null) {
+                    if(chartData[i].r9250e==null){
+                        chartData[i].r9250e=0;
+                        chartData[i].r9250n=0;
+                        chartData[i].r9250d=0;
+                    }
                     if(isBaseSet) {
                         t[count] = chartData[i].createtime;
                         e[count] = Number(chartData[i].b562e)-baseE;