diff --git a/src/libs/fetch.js b/src/libs/fetch.js
index bde71c28..2165dd34 100644
--- a/src/libs/fetch.js
+++ b/src/libs/fetch.js
@@ -165,7 +165,7 @@ export default class ChainFetch {
   }
 
   async getValidatorListByHeight(height) {
-    return this.get(`/validatorsets/${height}`).then(data => commonProcess(data))
+    return this.get(`/cosmos/base/tendermint/v1beta1/validatorsets/${height}?pagination.limit=500`).then(data => commonProcess(data))
   }
 
   async getStakingValidator(address) {
diff --git a/src/views/Staking.vue b/src/views/Staking.vue
index 50fe786a..50bc4608 100644
--- a/src/views/Staking.vue
+++ b/src/views/Staking.vue
@@ -334,16 +334,16 @@ export default {
       } else {
         height = 1
       }
-      const changes = []
+      const changes = {}
       data.validators.forEach(x => {
-        changes[x.pub_key.value] = { latest: Number(x.voting_power), previous: 0 }
+        changes[x.pub_key.key] = { latest: Number(x.voting_power), previous: 0 }
       })
       this.$http.getValidatorListByHeight(height).then(previous => {
         previous.validators.forEach(x => {
-          if (changes[x.pub_key.value]) {
-            changes[x.pub_key.value].previous = Number(x.voting_power)
+          if (changes[x.pub_key.key]) {
+            changes[x.pub_key.key].previous = Number(x.voting_power)
           } else {
-            changes[x.pub_key.value] = { latest: 0, previous: Number(x.voting_power) }
+            changes[x.pub_key.key] = { latest: 0, previous: Number(x.voting_power) }
           }
         })
         this.$set(this, 'changes', changes)