diff --git a/src/utils/tools.js b/src/utils/tools.js
index b94ce11d..627159bb 100644
--- a/src/utils/tools.js
+++ b/src/utils/tools.js
@@ -440,6 +440,9 @@ export function formatSecondToHour(second) {
   second = Number(second);
   var h = second / 3600;
   h = h.toFixed(n);
+  if(isNaN(h)){
+    h = 0;
+  }
   return h;
 }
 // 秒换成时分秒