diff --git a/constant/index.ts b/constant/index.ts
index 380d8e6c..b241a756 100644
--- a/constant/index.ts
+++ b/constant/index.ts
@@ -18,6 +18,7 @@ export const ISCN_MIN_BALANCE = 0.01;
 
 export const ISCN_GAS_FEE = 200000;
 export const ISCN_GAS_MULTIPLIER = 1.5;
+export const UPDATE_ISCN_GAS_MULTIPLIER = 1.75;
 
 export const ISCN_REGISTRY_NAME = 'likecoin-chain';
 
diff --git a/pages/edit/_iscnId.vue b/pages/edit/_iscnId.vue
index 1451d891..3988e367 100644
--- a/pages/edit/_iscnId.vue
+++ b/pages/edit/_iscnId.vue
@@ -238,7 +238,8 @@
 import { Vue, Component } from 'vue-property-decorator'
 import { namespace } from 'vuex-class'
 import { OfflineSigner } from '@cosmjs/proto-signing'
-import { ISCN_PREFIX } from '~/constant'
+import { BigNumber } from 'bignumber.js';
+import { ISCN_PREFIX, ISCN_GAS_FEE, UPDATE_ISCN_GAS_MULTIPLIER } from '~/constant'
 import { logTrackerEvent } from '~/utils/logger'
 import { signISCN } from '~/utils/cosmos/iscn/sign'
 import { extractIscnIdPrefix } from '~/utils/ui'
@@ -428,6 +429,7 @@ export default class EditIscnPage extends Vue {
       await this.initIfNecessary()
       const result = await signISCN(this.payload, this.signer, this.address, {
         iscnId: this.iscnId,
+        gas: new BigNumber(ISCN_GAS_FEE).multipliedBy(UPDATE_ISCN_GAS_MULTIPLIER).toFixed(0),
       })
       if (result) {
         this.$router.replace(