diff --git a/src/oj/ai/components/AI.vue b/src/oj/ai/components/AI.vue
index 3decbce..a6865fa 100644
--- a/src/oj/ai/components/AI.vue
+++ b/src/oj/ai/components/AI.vue
@@ -15,7 +15,7 @@
           @click="handleAnalyze"
         >
           <template #icon>
-            <Icon icon="mingcute:ai-line" />
+            <Icon icon="ph:sparkle" />
           </template>
           开始分析
         </n-button>
diff --git a/src/oj/class/pk.vue b/src/oj/class/pk.vue
index 64392b3..e381370 100644
--- a/src/oj/class/pk.vue
+++ b/src/oj/class/pk.vue
@@ -796,7 +796,7 @@ const radarChartOptions = {
           style="margin-top: 26px"
         >
           <template #icon>
-            <Icon icon="mingcute:ai-line" />
+            <Icon icon="ph:sparkle" />
           </template>
           AI分析
         </n-button>
diff --git a/src/oj/problem/components/Form.vue b/src/oj/problem/components/Form.vue
index 91260c4..545033f 100644
--- a/src/oj/problem/components/Form.vue
+++ b/src/oj/problem/components/Form.vue
@@ -49,7 +49,7 @@ const codeStore = useCodeStore()
 const problemStore = useProblemStore()
 const { problem, languages } = storeToRefs(problemStore)
 
-const { isMobile, isDesktop } = useBreakpoints()
+const { isDesktop } = useBreakpoints()
 
 const syncEnabled = ref(false) // 用户点击按钮后的意图状态（想要开启/关闭）
 const statisticPanel = ref(false)
@@ -65,12 +65,6 @@ const showSyncFeature = computed(
     !isContestMode.value,
 )
 
-const menu = computed<DropdownOption[]>(() => [
-  { label: "去自测猫", key: "goTestCat", show: isMobile.value },
-  { label: "复制代码", key: "copy" },
-  { label: "重置代码", key: "reset" },
-])
-
 const showGoSubmissionButton = computed(() => {
   if (isContestMode.value) return true
   else if (userStore.isAdminRole) return true
@@ -133,15 +127,6 @@ const goEdit = () => {
   window.open(router.resolve(url).href, "_blank")
 }
 
-const handleMenuSelect = (key: string) => {
-  const actions: Record<string, () => void> = {
-    reset,
-    copy,
-    goTestCat,
-  }
-  actions[key]?.()
-}
-
 const toggleSync = () => {
   syncEnabled.value = !syncEnabled.value
   emit("toggleSync", syncEnabled.value)
@@ -174,41 +159,43 @@ onMounted(() => {
 
     <SubmitCode v-else />
 
-    <n-button
+    <IconButton
       v-if="showGoSubmissionButton"
-      :size="buttonSize"
+      icon="streamline-ultimate-color:task-list-text-1"
+      tip="提交信息"
       @click="goSubmissions"
-    >
-      提交信息
-    </n-button>
+    />
 
-    <n-button
+    <IconButton
       v-if="userStore.isTeacherOrAbove"
-      :size="buttonSize"
+      icon="streamline-ultimate-color:analytics-pie-2"
+      tip="统计信息"
       @click="statisticPanel = true"
-    >
-      {{ isDesktop ? "统计信息" : "统计" }}
-    </n-button>
+    />
 
-    <n-button
-      v-if="isDesktop && codeStore.code.language !== 'Flowchart'"
-      @click="goTestCat"
-    >
-      自测猫
-    </n-button>
+    <template v-if="codeStore.code.language !== 'Flowchart'">
+      <IconButton
+        icon="streamline-ultimate-color:business-lucky-cat"
+        tip="自测猫"
+        @click="goTestCat"
+      />
 
-    <n-dropdown
-      v-if="codeStore.code.language !== 'Flowchart'"
-      size="large"
-      :options="menu"
-      @select="handleMenuSelect"
-    >
-      <n-button :size="buttonSize">操作</n-button>
-    </n-dropdown>
+      <IconButton
+        icon="streamline-ultimate-color:copy-paste-1"
+        tip="复制代码"
+        @click="copy"
+      />
+
+      <IconButton
+        icon="streamline-ultimate-color:synchronize-arrow"
+        tip="重置代码"
+        @click="reset"
+      />
+    </template>
 
     <IconButton
       v-if="isDesktop && userStore.isSuperAdmin"
-      icon="streamline-ultimate-color:file-code-edit"
+      icon="streamline-ultimate-color:common-file-edit"
       tip="编辑题目"
       @click="goEdit"
     />
@@ -217,8 +204,8 @@ onMounted(() => {
       <IconButton
         :icon="
           syncEnabled
-            ? 'streamline-ultimate-color:flash-off'
-            : 'streamline-ultimate-color:monitor-flash'
+            ? 'ph:wifi-slash'
+            : 'ph:wifi-high'
         "
         :tip="syncEnabled ? SYNC_MESSAGES.SYNC_ON : SYNC_MESSAGES.SYNC_OFF"
         :type="syncEnabled ? 'warning' : 'default'"
diff --git a/src/oj/problem/components/ProblemContent.vue b/src/oj/problem/components/ProblemContent.vue
index 4cd6fa8..0195edc 100644
--- a/src/oj/problem/components/ProblemContent.vue
+++ b/src/oj/problem/components/ProblemContent.vue
@@ -259,7 +259,7 @@ function type(status: ProblemStatus) {
     </n-flex>
     <p class="title" :style="style">
       <n-flex align="center">
-        <Icon icon="streamline-emojis:sparkles"></Icon>
+        <Icon icon="streamline-emojis:scroll"></Icon>
         描述
       </n-flex>
     </p>
@@ -271,7 +271,7 @@ function type(status: ProblemStatus) {
 
     <p class="title" :style="style">
       <n-flex align="center">
-        <Icon icon="streamline-emojis:four-leaf-clover"></Icon>
+        <Icon icon="streamline-emojis:e-mail-1"></Icon>
         输入
       </n-flex>
     </p>
@@ -283,7 +283,7 @@ function type(status: ProblemStatus) {
 
     <p class="title" :style="style">
       <n-flex align="center">
-        <Icon icon="streamline-emojis:herb"></Icon>
+        <Icon icon="streamline-emojis:postbox"></Icon>
         输出
       </n-flex>
     </p>
@@ -296,7 +296,7 @@ function type(status: ProblemStatus) {
     <div v-if="problem.hint">
       <p class="title" :style="style">
         <n-flex align="center">
-          <Icon icon="streamline-emojis:seedling"></Icon>
+          <Icon icon="streamline-emojis:man-tipping-hand-1"></Icon>
           提示
         </n-flex>
       </p>
@@ -311,7 +311,7 @@ function type(status: ProblemStatus) {
     <div v-if="astRulesForDisplay.length > 0">
       <p class="title" :style="style">
         <n-flex align="center">
-          <Icon icon="streamline-emojis:open-book"></Icon>
+          <Icon icon="streamline-emojis:ballot-box-with-check"></Icon>
           要求
         </n-flex>
       </p>
@@ -336,7 +336,12 @@ function type(status: ProblemStatus) {
 
     <div v-for="(sample, index) of samples" :key="index">
       <n-flex align="center">
-        <p class="title" :style="style">例子 {{ index + 1 }}</p>
+        <p class="title" :style="style">
+          <n-flex align="center">
+            <Icon icon="streamline-emojis:microscope"></Icon>
+            例子 {{ index + 1 }}
+          </n-flex>
+        </p>
         <n-button
           size="small"
           :type="type(sample.status)"
@@ -375,7 +380,12 @@ function type(status: ProblemStatus) {
     </div>
 
     <div v-if="problem.source">
-      <p class="title" :style="style">来源</p>
+      <p class="title" :style="style">
+        <n-flex align="center">
+          <Icon icon="streamline-emojis:open-book"></Icon>
+          来源
+        </n-flex>
+      </p>
       <MdPreview
         preview-theme="vuepress"
         :model-value="problem.source"
@@ -388,7 +398,7 @@ function type(status: ProblemStatus) {
       <n-divider />
       <p class="title" :style="style">
         <n-flex align="center">
-          <Icon icon="fluent-emoji-flat:light-bulb"></Icon>
+          <Icon icon="streamline-emojis:thumbs-up-1"></Icon>
           相似题目推荐
         </n-flex>
       </p>
diff --git a/src/oj/problem/components/ProblemStatus.vue b/src/oj/problem/components/ProblemStatus.vue
index f1334df..f338db4 100644
--- a/src/oj/problem/components/ProblemStatus.vue
+++ b/src/oj/problem/components/ProblemStatus.vue
@@ -16,8 +16,8 @@ const color = computed(() => {
 
 <template>
   <n-icon v-if="showIcon" :color="color">
-    <Icon icon="ep:select" v-if="status === 'passed'"></Icon>
-    <Icon icon="ep:semi-select" v-if="status === 'failed'"></Icon>
+    <Icon icon="ph:check" v-if="status === 'passed'"></Icon>
+    <Icon icon="ph:minus" v-if="status === 'failed'"></Icon>
   </n-icon>
 </template>
 
diff --git a/src/oj/problem/components/SubmissionResult.vue b/src/oj/problem/components/SubmissionResult.vue
index 9cdf439..e4fd221 100644
--- a/src/oj/problem/components/SubmissionResult.vue
+++ b/src/oj/problem/components/SubmissionResult.vue
@@ -175,7 +175,7 @@ const columns: DataTableColumn<Submission["info"]["data"][number]>[] = [
             <n-icon
               :color="rule.passed ? theme.successColor : theme.errorColor"
             >
-              <Icon :icon="rule.passed ? 'ep:select' : 'ep:close-bold'" />
+              <Icon :icon="rule.passed ? 'ph:check' : 'ph:x-bold'" />
             </n-icon>
             <span>{{ rule.description }}</span>
           </n-flex>
diff --git a/src/oj/problemset/components/ProblemSetHeader.vue b/src/oj/problemset/components/ProblemSetHeader.vue
index a7ea15c..cfccd7a 100644
--- a/src/oj/problemset/components/ProblemSetHeader.vue
+++ b/src/oj/problemset/components/ProblemSetHeader.vue
@@ -99,7 +99,7 @@ function handleJoin() {
         </n-button>
         <n-tag v-else type="success" size="large">
           <template #icon>
-            <Icon icon="material-symbols:check-circle" />
+            <Icon icon="ph:check-circle-fill" />
           </template>
           已加入
         </n-tag>
diff --git a/src/oj/rank/list.vue b/src/oj/rank/list.vue
index 0438ac0..66576ba 100644
--- a/src/oj/rank/list.vue
+++ b/src/oj/rank/list.vue
@@ -747,7 +747,7 @@ watch(
             @click="analyzeSingleClassWithAI"
           >
             <template #icon>
-              <Icon icon="mingcute:ai-line" />
+              <Icon icon="ph:sparkle" />
             </template>
             AI分析
           </n-button>
diff --git a/src/oj/submission/components/ButtonWithSearch.vue b/src/oj/submission/components/ButtonWithSearch.vue
index e395380..5579dbb 100644
--- a/src/oj/submission/components/ButtonWithSearch.vue
+++ b/src/oj/submission/components/ButtonWithSearch.vue
@@ -40,7 +40,7 @@ function filterClass() {
       <template #trigger>
         <n-button text @click="filterClass">
           <template #icon>
-            <Icon icon="openmoji:filter"></Icon>
+            <Icon icon="ph:funnel"></Icon>
           </template>
         </n-button>
       </template>
diff --git a/src/oj/submission/components/FlowchartScoreDetail.vue b/src/oj/submission/components/FlowchartScoreDetail.vue
index a473782..4b25283 100644
--- a/src/oj/submission/components/FlowchartScoreDetail.vue
+++ b/src/oj/submission/components/FlowchartScoreDetail.vue
@@ -11,7 +11,7 @@
             @click="showLargeImage = true"
           >
             <template #icon>
-              <Icon icon="mdi:fullscreen" />
+              <Icon icon="ph:corners-out" />
             </template>
             查看大图
           </n-button>
@@ -28,7 +28,7 @@
             <div v-if="showLargeImage" class="fullscreen-toolbar">
               <n-button secondary round @click="showLargeImage = false">
                 <template #icon>
-                  <Icon icon="mdi:fullscreen-exit" />
+                  <Icon icon="ph:corners-in" />
                 </template>
                 退出大图
               </n-button>