diff --git a/src/pages/overall/overall-line/overall-line.ts b/src/pages/overall/overall-line/overall-line.ts
index a9adf62..47fe414 100644
--- a/src/pages/overall/overall-line/overall-line.ts
+++ b/src/pages/overall/overall-line/overall-line.ts
@@ -57,6 +57,7 @@ export default class OverallLine extends Vue
         yAxis:
         {
             min: (value: any) => value.min - 10
+            max: (value: any) => value.max
         }
     };