diff --git a/src/oj/problem/components/Form.vue b/src/oj/problem/components/Form.vue
index 70d362e..6930f7a 100644
--- a/src/oj/problem/components/Form.vue
+++ b/src/oj/problem/components/Form.vue
@@ -10,7 +10,7 @@ import storage from "~/utils/storage"
 import { LANGUAGE } from "~/utils/types"
 import Submit from "./Submit.vue"
 import StatisticsPanel from "~/shared/components/StatisticsPanel.vue"
-import {Icon} from "@iconify/vue"
+import IconButton from "~/shared/components/IconButton.vue"
 
 interface Props {
   storageKey: string
@@ -145,11 +145,12 @@ function showStatisticsPanel() {
       <n-dropdown size="large" :options="menu" @select="select">
         <n-button :size="isDesktop ? 'medium' : 'small'">操作</n-button>
       </n-dropdown>
-      <n-button circle v-if="isDesktop && userStore.isSuperAdmin" @click="goEdit">
-        <template #icon>
-          <Icon icon="streamline-ultimate-color:file-code-edit" />
-        </template>
-      </n-button>
+      <IconButton
+        icon="streamline-ultimate-color:file-code-edit"
+        tip="编辑题目"
+        v-if="isDesktop && userStore.isSuperAdmin"
+        @click="goEdit"
+      />
     </n-flex>
   </n-flex>
   <n-modal
diff --git a/src/oj/submission/components/ButtonWithSearch.vue b/src/oj/submission/components/ButtonWithSearch.vue
index b80b254..c495bbb 100644
--- a/src/oj/submission/components/ButtonWithSearch.vue
+++ b/src/oj/submission/components/ButtonWithSearch.vue
@@ -32,7 +32,7 @@ function filterClass() {
           </template>
         </n-button>
       </template>
-      {{ "搜索" + props.type}}
+      {{ "搜索" + props.type }}
     </n-tooltip>
     <n-tooltip v-if="showFilterClass">
       <template #trigger>
diff --git a/src/oj/submission/list.vue b/src/oj/submission/list.vue
index 61f4947..2120c5b 100644
--- a/src/oj/submission/list.vue
+++ b/src/oj/submission/list.vue
@@ -15,7 +15,7 @@ import ButtonWithSearch from "./components/ButtonWithSearch.vue"
 import StatisticsPanel from "~/shared/components/StatisticsPanel.vue"
 import SubmissionLink from "./components/SubmissionLink.vue"
 import SubmissionDetail from "./detail.vue"
-import { Icon } from "@iconify/vue"
+import IconButton from "~/shared/components/IconButton.vue"
 
 interface SubmissionQuery {
   username: string
@@ -301,11 +301,11 @@ const columns = computed(() => {
         <n-form-item
           v-if="userStore.isSuperAdmin && route.name === 'submissions'"
         >
-          <n-button circle @click="toggleStatisticPanel(true)">
-            <template #icon>
-              <Icon icon="streamline-emojis:bar-chart" />
-            </template>
-          </n-button>
+          <IconButton
+            icon="streamline-emojis:bar-chart"
+            tip="数据统计"
+            @click="toggleStatisticPanel(true)"
+          />
         </n-form-item>
         <n-form-item v-if="todayCount > 0">
           <component :is="isDesktop ? NH2 : NText" class="todayCount">
diff --git a/src/shared/components/Hitokoto.vue b/src/shared/components/Hitokoto.vue
index f639215..0cc48cc 100644
--- a/src/shared/components/Hitokoto.vue
+++ b/src/shared/components/Hitokoto.vue
@@ -7,9 +7,14 @@ const hitokoto = reactive({
 })
 
 async function receive() {
-  const res = await getHitokoto()
-  hitokoto.sentence = res.data.hitokoto
-  hitokoto.from = res.data.from
+  try {
+    const res = await getHitokoto()
+    hitokoto.sentence = res.data.hitokoto
+    hitokoto.from = res.data.from
+  } catch (error) {
+    hitokoto.sentence = "获取一言失败，请点击重试"
+    hitokoto.from = "DEV"
+  }
 }
 
 onMounted(receive)
diff --git a/src/shared/components/IconButton.vue b/src/shared/components/IconButton.vue
new file mode 100644
index 0000000..b672330
--- /dev/null
+++ b/src/shared/components/IconButton.vue
@@ -0,0 +1,21 @@
+<template>
+  <n-tooltip>
+    <template #trigger>
+      <n-button circle @click="$emit('click')">
+        <template #icon>
+          <Icon :icon="icon" />
+        </template>
+      </n-button>
+    </template>
+    {{ tip }}
+  </n-tooltip>
+</template>
+<script lang="ts" setup>
+import { Icon } from "@iconify/vue"
+
+defineProps<{
+  tip: string
+  icon: string
+}>()
+defineEmits(["click"])
+</script>
diff --git a/src/utils/registerChart.ts b/src/utils/registerChart.ts
index d59a1bf..4550742 100644
--- a/src/utils/registerChart.ts
+++ b/src/utils/registerChart.ts
@@ -1,36 +1,36 @@
-import {
-  ArcElement,
-  BarElement,
-  BarController,
-  CategoryScale,
-  Chart as ChartJS,
-  Colors,
-  Legend,
-  LinearScale,
-  LineController,
-  Title,
-  Tooltip,
-  LineElement,
-  PointElement,
-} from "chart.js"
-
-let registered = false
-
-export function registerChart() {
-  if (registered) return
-  ChartJS.register(
-    CategoryScale,
-    LinearScale,
-    BarElement,
-    BarController,
-    ArcElement,
-    LineElement,
-    LineController,
-    PointElement,
-    Colors,
-    Title,
-    Tooltip,
-    Legend,
-  )
-  registered = true
-}
+import {
+  ArcElement,
+  BarElement,
+  BarController,
+  CategoryScale,
+  Chart as ChartJS,
+  Colors,
+  Legend,
+  LinearScale,
+  LineController,
+  Title,
+  Tooltip,
+  LineElement,
+  PointElement,
+} from "chart.js"
+
+let registered = false
+
+export function registerChart() {
+  if (registered) return
+  ChartJS.register(
+    CategoryScale,
+    LinearScale,
+    BarElement,
+    BarController,
+    ArcElement,
+    LineElement,
+    LineController,
+    PointElement,
+    Colors,
+    Title,
+    Tooltip,
+    Legend,
+  )
+  registered = true
+}
diff --git a/src/utils/types.ts b/src/utils/types.ts
index 2a26699..b829b9e 100644
--- a/src/utils/types.ts
+++ b/src/utils/types.ts
@@ -118,7 +118,7 @@ export interface Problem {
   difficulty: "Low" | "Mid" | "High"
   source: string
   prompt: string
-  answers: {language: LANGUAGE, code: string}[]
+  answers: { language: LANGUAGE; code: string }[]
   total_score: number
   submission_number: number
   accepted_number: number