diff --git a/modules/server/src/main/java/io/jpom/service/dblog/DbSystemMonitorLogService.java b/modules/server/src/main/java/io/jpom/service/dblog/DbSystemMonitorLogService.java
index 1e47cee33..5e8031dbf 100644
--- a/modules/server/src/main/java/io/jpom/service/dblog/DbSystemMonitorLogService.java
+++ b/modules/server/src/main/java/io/jpom/service/dblog/DbSystemMonitorLogService.java
@@ -6,10 +6,12 @@ import io.jpom.model.log.SystemMonitorLog;
 import org.springframework.stereotype.Service;
 
 /**
- * @author bwcx_jzy
+ * @author Arno
+ * @date 2019/9/13
  */
 @Service
 public class DbSystemMonitorLogService extends BaseDbLogService<SystemMonitorLog> {
+
     public DbSystemMonitorLogService() {
         super(SystemMonitorLog.TABLE_NAME, SystemMonitorLog.class);
         setKey("id");
diff --git a/modules/server/src/main/resources/templates/node/welcome.html b/modules/server/src/main/resources/templates/node/welcome.html
index db5b96922..0ab4ed968 100644
--- a/modules/server/src/main/resources/templates/node/welcome.html
+++ b/modules/server/src/main/resources/templates/node/welcome.html
@@ -270,10 +270,14 @@
             },
             series: series
         };
-        if (!myEcharts) {
-            myEcharts = echarts.init(document.getElementById('echarts'));
+        try {
+            if (!myEcharts) {
+                myEcharts = echarts.init(document.getElementById('echarts'));
+            }
+            myEcharts.setOption(option);
+        } catch (e) {
+            console.error(e);
         }
-        myEcharts.setOption(option);
     }
 
     function loadProcessList() {
@@ -289,7 +293,6 @@
             }
         });
     }
-
 </script>
 
 </html>
\ No newline at end of file