diff --git a/core/core-frontend/src/components/dashboard/subject-setting/dashboard-style/ValueFormatterSetting.vue b/core/core-frontend/src/components/dashboard/subject-setting/dashboard-style/ValueFormatterSetting.vue
index 1cfab477b4..55667b1cca 100644
--- a/core/core-frontend/src/components/dashboard/subject-setting/dashboard-style/ValueFormatterSetting.vue
+++ b/core/core-frontend/src/components/dashboard/subject-setting/dashboard-style/ValueFormatterSetting.vue
@@ -99,6 +99,8 @@ getExampleValue()
           v-model="formatterCfg.decimalCount"
           :effect="themes"
           size="small"
+          :step="1"
+          :precision="0"
           :min="0"
           :max="10"
           @change="onFormatChange"