diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
index c2e095f5..12618df4 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Favourite.vue
@@ -156,10 +156,10 @@ export default {
         this.$router.push({ path: tag })
         return tag
       }
-      const accountURL = findAccount(e.target)
-      if (accountURL !== null) {
+      const parsedAccount = findAccount(e.target)
+      if (parsedAccount !== null) {
         this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', true)
-        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', accountURL)
+        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', parsedAccount)
           .then((account) => {
             this.$store.dispatch('TimelineSpace/Contents/SideBar/openAccountComponent')
             this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/changeAccount', account)
@@ -171,7 +171,7 @@ export default {
             })
             this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', false)
           })
-        return accountURL
+        return parsedAccount.acct
       }
       const link = findLink(e.target)
       if (link !== null) {
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
index d71eab79..971a851b 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Notification/Reblog.vue
@@ -155,10 +155,10 @@ export default {
         this.$router.push({ path: tag })
         return tag
       }
-      const accountURL = findAccount(e.target)
-      if (accountURL !== null) {
+      const parsedAccount = findAccount(e.target)
+      if (parsedAccount !== null) {
         this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', true)
-        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', accountURL)
+        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', parsedAccount)
           .then((account) => {
             this.$store.dispatch('TimelineSpace/Contents/SideBar/openAccountComponent')
             this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/changeAccount', account)
@@ -170,7 +170,7 @@ export default {
             })
             this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', false)
           })
-        return accountURL
+        return parsedAccount
       }
       const link = findLink(e.target)
       if (link !== null) {
diff --git a/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue b/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
index a6091f02..2b98ef29 100644
--- a/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
+++ b/src/renderer/components/TimelineSpace/Contents/Cards/Toot.vue
@@ -236,10 +236,10 @@ export default {
         this.$router.push({ path: tag })
         return tag
       }
-      const accountURL = findAccount(e.target)
-      if (accountURL !== null) {
+      const parsedAccount = findAccount(e.target)
+      if (parsedAccount !== null) {
         this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', true)
-        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', accountURL)
+        this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/searchAccount', parsedAccount)
           .then((account) => {
             this.$store.dispatch('TimelineSpace/Contents/SideBar/openAccountComponent')
             this.$store.dispatch('TimelineSpace/Contents/SideBar/AccountProfile/changeAccount', account)
@@ -251,7 +251,7 @@ export default {
             })
             this.$store.commit('TimelineSpace/Contents/SideBar/changeOpenSideBar', false)
           })
-        return accountURL
+        return parsedAccount.acct
       }
       const link = findLink(e.target)
       if (link !== null) {
diff --git a/src/renderer/store/TimelineSpace/Contents/SideBar/AccountProfile.js b/src/renderer/store/TimelineSpace/Contents/SideBar/AccountProfile.js
index 47247e3e..d25b7b7b 100644
--- a/src/renderer/store/TimelineSpace/Contents/SideBar/AccountProfile.js
+++ b/src/renderer/store/TimelineSpace/Contents/SideBar/AccountProfile.js
@@ -35,15 +35,17 @@ const AccountProfile = {
       return client.get(`/accounts/${accountID}`)
         .then(res => res.data)
     },
-    searchAccount ({ commit, rootState }, accountURL) {
+    searchAccount ({ commit, rootState }, parsedAccount) {
       const client = new Mastodon(
         rootState.TimelineSpace.account.accessToken,
         rootState.TimelineSpace.account.baseURL + '/api/v1'
       )
-      return client.get('/search', { q: accountURL, resolve: true })
+      return client.get('/search', { q: parsedAccount.acct, resolve: true })
         .then(res => {
           if (res.data.accounts.length <= 0) throw new AccountNotFound('not found')
-          return res.data.accounts[0]
+          const account = res.data.accounts[0]
+          if (`@${account.username}` !== parsedAccount.username) throw new AccountNotFound('not found')
+          return account
         })
     },
     changeAccount ({ commit, dispatch }, account) {
diff --git a/src/renderer/utils/tootParser.js b/src/renderer/utils/tootParser.js
index a4d8800e..c2398f4d 100644
--- a/src/renderer/utils/tootParser.js
+++ b/src/renderer/utils/tootParser.js
@@ -57,5 +57,8 @@ export function parseAccount (accountURL) {
   const res = accountURL.match(/^https:\/\/([a-zA-Z0-9-.]+)\/(@[a-zA-Z0-9-_.]+)/)
   const domainName = res[1]
   const accountName = res[2]
-  return `${accountName}@${domainName}`
+  return {
+    username: accountName,
+    acct: `${accountName}@${domainName}`
+  }
 }
diff --git a/test/mocha/tootParser.spec.js b/test/mocha/tootParser.spec.js
index f176c456..8cca9b7c 100644
--- a/test/mocha/tootParser.spec.js
+++ b/test/mocha/tootParser.spec.js
@@ -50,7 +50,8 @@ describe('findAccount', () => {
     const target = doc.getElementById('user')
     it('should find', () => {
       const res = findAccount(target)
-      assert.strictEqual(res, '@h3_poteto@social.mikutter.hachune.net')
+      assert.strictEqual(res.username, '@h3_poteto')
+      assert.strictEqual(res.acct, '@h3_poteto@social.mikutter.hachune.net')
     })
   })
 })