diff --git a/src/views/ebiz/common/CalculatePremium.vue b/src/views/ebiz/common/CalculatePremium.vue
index 9e370cc12..9a8c95a26 100644
--- a/src/views/ebiz/common/CalculatePremium.vue
+++ b/src/views/ebiz/common/CalculatePremium.vue
@@ -1166,7 +1166,7 @@ export default {
       }else if(this.mainRiskCode === 'GFRS_M0070'){
         value *= 10000
         const rule = dutdutyGFRS_M0070RulesyRules[duty]
-        const mutiple = rule.mutiple || DUTY_DEFAULT_MUTIPLE
+        const mutiple = rule.mutiple || DUTY_DEFAULT_MIN
         const min = rule.min || DUTY_DEFAULT_MIN
         if (!value || value < min || value % mutiple !== 0) {
           this.$toast(rule.msg)