diff --git a/src/views/ebiz/common/CalculatePremium.vue b/src/views/ebiz/common/CalculatePremium.vue
index 9c69b573f..024e5ee61 100644
--- a/src/views/ebiz/common/CalculatePremium.vue
+++ b/src/views/ebiz/common/CalculatePremium.vue
@@ -31,7 +31,7 @@
               <!-- {{ riskFactorIndex }} -->
               <!-- {{defalutAmt}} -->
               <van-stepper
-                v-model="item.calFactorLst[riskFactorIndex].displayAmount"
+                v-model.number="item.calFactorLst[riskFactorIndex].displayAmount"
                 :min="riskFactor.minAmt || riskFactor.minPrem"
                 :max="riskFactor.maxAmt || riskFactor.maxPrem"
                 :show-plus="false"
@@ -173,7 +173,7 @@
               </span>
               <span v-else class="fs14">{{ riskFactor.name }} &nbsp;&nbsp; &nbsp;&nbsp;</span>
               <van-stepper
-                v-model="item.productTrialYearDTOS[payEndYearColumnsIndex].displayAmount"
+                v-model.number="item.productTrialYearDTOS[payEndYearColumnsIndex].displayAmount"
                 :min="item.productTrialYearDTOS[payEndYearColumnsIndex].minAmt || item.productTrialYearDTOS[payEndYearColumnsIndex].minPrem"
                 :max="item.productTrialYearDTOS[payEndYearColumnsIndex].maxAmt || item.productTrialYearDTOS[payEndYearColumnsIndex].maxPrem"
                 :show-plus="false"