diff --git a/nezha-fronted/src/components/charts/chartDataFormat.js b/nezha-fronted/src/components/charts/chartDataFormat.js
index 2d183d1fa..e89e917da 100644
--- a/nezha-fronted/src/components/charts/chartDataFormat.js
+++ b/nezha-fronted/src/components/charts/chartDataFormat.js
@@ -651,6 +651,7 @@ export default {
         value=value*10;
         console.log(value);
       }
+      console.log( Math.floor(value+1)/Math.pow(10,pow));
       return Math.floor(value+1)/Math.pow(10,pow);
     }
     if(type ==='Time'){
@@ -711,7 +712,7 @@ export default {
       case 5: return 5;
       case 6: return 3;
       case 7: return 7;
-      case 8: return 8;
+      case 8: return 4;
       case 9: return 3;
       case 10: return 5;
     }
diff --git a/nezha-fronted/src/components/charts/line-chart-block.vue b/nezha-fronted/src/components/charts/line-chart-block.vue
index cec3ebdf1..aa36acaba 100644
--- a/nezha-fronted/src/components/charts/line-chart-block.vue
+++ b/nezha-fronted/src/components/charts/line-chart-block.vue
@@ -1688,7 +1688,7 @@
             oldValue=oldValue*10;
             dot++;
           }
-          maxValue=Math.ceil(oldValue)/Math.pow(10,dot);
+          maxValue=Math.floor(oldValue)/Math.pow(10,dot);
           dot++;
         }
         let copies=chartDataFormat.copies(oldValue,unit.type);