diff --git a/resource/template/theme-default/home.html b/resource/template/theme-default/home.html
index 8a26277557..05dcf869cb 100644
--- a/resource/template/theme-default/home.html
+++ b/resource/template/theme-default/home.html
@@ -207,12 +207,14 @@
         const xAxisData = chartData[0].created_at.map(time => new Date(time).toLocaleString());
         const seriesData = chartData.map(item => {
           let loss = 0;
-          const data = item.avg_delay.map((avgDelay, index) => {
+          const avgDelayMean = item.avg_delay.reduce((acc, cur) => acc + cur, 0) / item.avg_delay.length;
+          const data = item.avg_delay.map((avgDelay, index) => {                        
             if(avgDelay>0){
               loss += avgDelay > 0.9 * MaxTCPPingValue ? 1 : 0;
               return [item.created_at[index], avgDelay];
             }else{
               loss += 1;
+              return [item.created_at[index], avgDelayMean];
             }
           });
           const lossRate = ((loss / item.created_at.length) * 100).toFixed(1);
diff --git a/resource/template/theme-server-status/home.html b/resource/template/theme-server-status/home.html
index 4bc21be71b..dd601af6b1 100644
--- a/resource/template/theme-server-status/home.html
+++ b/resource/template/theme-server-status/home.html
@@ -305,12 +305,14 @@
                 const xAxisData = chartData[0].created_at.map(time => new Date(time).toLocaleString());
                 const seriesData = chartData.map(item => {
                     let loss = 0;
-                    const data = item.avg_delay.map((avgDelay, index) => {
+                    const avgDelayMean = item.avg_delay.reduce((acc, cur) => acc + cur, 0) / item.avg_delay.length;
+                    const data = item.avg_delay.map((avgDelay, index) => {                        
                         if(avgDelay>0){
                             loss += avgDelay > 0.9 * MaxTCPPingValue ? 1 : 0;
                             return [item.created_at[index], avgDelay];
                         }else{
                             loss += 1;
+                            return [item.created_at[index], avgDelayMean];
                         }
                     });
                     const lossRate = ((loss / item.created_at.length) * 100).toFixed(1);