diff --git a/src/oj/submission/components/FlowchartLink.vue b/src/oj/submission/components/FlowchartLink.vue
index 2c70731..6706e8f 100644
--- a/src/oj/submission/components/FlowchartLink.vue
+++ b/src/oj/submission/components/FlowchartLink.vue
@@ -36,5 +36,4 @@ function handleClick() {
 }
 </script>
 
-<style scoped>
-</style>
+<style scoped></style>
diff --git a/src/oj/submission/components/FlowchartScoreDetail.vue b/src/oj/submission/components/FlowchartScoreDetail.vue
index 929ea6b..1dd081b 100644
--- a/src/oj/submission/components/FlowchartScoreDetail.vue
+++ b/src/oj/submission/components/FlowchartScoreDetail.vue
@@ -1,148 +1,166 @@
-<template>
-  <n-grid v-if="submission" :cols="5" :x-gap="16">
-    <!-- 左侧：流程图预览区域 -->
-    <n-gi :span="3">
-      <n-card title="流程图预览">
-        <div class="flowchart">
-          <n-alert v-if="renderError" type="error" title="流程图渲染失败">
-            {{ renderError }}
-          </n-alert>
-          <div class="flowchart" v-else ref="mermaidContainer"></div>
-        </div>
-      </n-card>
-    </n-gi>
-
-    <!-- 右侧：评分详情区域 -->
-    <n-gi :span="2">
-      <!-- AI反馈 -->
-      <n-card
-        v-if="submission.ai_feedback"
-        size="small"
-        title="AI反馈"
-        style="margin-bottom: 16px"
-      >
-        <n-text>{{ submission.ai_feedback }}</n-text>
-      </n-card>
-
-      <!-- 改进建议 -->
-      <n-card
-        v-if="submission.ai_suggestions"
-        size="small"
-        title="改进建议"
-        style="margin-bottom: 16px"
-      >
-        <n-text>{{ submission.ai_suggestions }}</n-text>
-      </n-card>
-
-      <!-- 详细评分 -->
-      <n-card
-        v-if="
-          submission.ai_criteria_details &&
-          Object.keys(submission.ai_criteria_details).length > 0
-        "
-        size="small"
-        title="详细评分"
-      >
-        <div
-          v-for="(detail, key) in submission.ai_criteria_details"
-          :key="key"
-          style="margin-bottom: 12px"
-        >
-          <!-- 评分项标题和分数 -->
-          <n-flex
-            justify="space-between"
-            align="center"
-            style="margin-bottom: 4px"
-          >
-            <n-text strong>{{ key }}</n-text>
-            <n-tag
-              :type="getPercentType(detail.score / detail.max)"
-              size="small"
-              round
-            >
-              {{ detail.score || 0 }}分 / {{ detail.max }}分
-            </n-tag>
-          </n-flex>
-          <!-- 评分项详细说明 -->
-          <n-text v-if="detail.comment" depth="3" style="font-size: 12px">
-            {{ detail.comment }}
-          </n-text>
-        </div>
-      </n-card>
-    </n-gi>
-  </n-grid>
-  <n-spin v-else :show="loading" class="loading-container">
-  </n-spin>
-</template>
-
-<script setup lang="ts">
-import { FlowchartSubmission } from "utils/types"
-import { useMermaid } from "shared/composables/useMermaid"
-
-interface Props {
-  submissionId: string
-}
-
-const props = defineProps<Props>()
-const mermaidContainer = useTemplateRef<HTMLElement>("mermaidContainer")
-const { renderError, renderFlowchart } = useMermaid()
-
-const submission = ref<FlowchartSubmission | null>(null)
-const loading = ref(false)
-const rendering = ref(false)
-
-function getPercentType(percent: number) {
-  if (percent >= 0.8) return "primary"
-  else if (percent >= 0.6) return "info"
-  else if (percent >= 0.4) return "warning"
-  return "error"
-}
-
-async function loadSubmission() {
-  if (!props.submissionId) return
-  loading.value = true
-  try {
-    const { getFlowchartSubmission } = await import("oj/api")
-    const res = await getFlowchartSubmission(props.submissionId)
-    submission.value = res.data
-
-    // 渲染流程图
-    if (submission.value?.mermaid_code) {
-      rendering.value = true
-      await nextTick()
-      await renderFlowchart(
-        mermaidContainer.value,
-        submission.value.mermaid_code,
-      )
-      rendering.value = false
-    }
-  } catch (error) {
-    console.error("Failed to load submission:", error)
-  } finally {
-    loading.value = false
-  }
-}
-
-watch(() => props.submissionId, loadSubmission, { immediate: true })
-</script>
-
-<style scoped>
-.flowchart {
-  height: 500px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-
-/* 确保 SVG 图表占满容器 */
-:deep(.flowchart > svg) {
-  height: 100%;
-}
-
-.loading-container {
-  min-height: 600px;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-</style>
+<template>
+  <n-grid v-if="submission" :cols="5" :x-gap="16">
+    <!-- 左侧：流程图预览区域 -->
+    <n-gi :span="showLargeImage ? 5 : 3">
+      <n-card title="流程图预览">
+        <template #header-extra>
+          <n-button
+            v-if="!renderError && submission?.mermaid_code"
+            quaternary
+            size="small"
+            @click="showLargeImage = !showLargeImage"
+          >
+            <template #icon>
+              <Icon
+                :icon="
+                  showLargeImage ? 'mdi:fullscreen-exit' : 'mdi:fullscreen'
+                "
+              />
+            </template>
+            {{ showLargeImage ? "退出大图" : "查看大图" }}
+          </n-button>
+        </template>
+        <div class="flowchart">
+          <n-alert v-if="renderError" type="error" title="流程图渲染失败">
+            {{ renderError }}
+          </n-alert>
+          <div class="flowchart" v-else ref="mermaidContainer"></div>
+        </div>
+      </n-card>
+    </n-gi>
+
+    <!-- 右侧：评分详情区域 -->
+    <n-gi v-if="!showLargeImage" :span="2">
+      <!-- AI反馈 -->
+      <n-card
+        v-if="submission.ai_feedback"
+        size="small"
+        title="AI反馈"
+        style="margin-bottom: 16px"
+      >
+        <n-text>{{ submission.ai_feedback }}</n-text>
+      </n-card>
+
+      <!-- 改进建议 -->
+      <n-card
+        v-if="submission.ai_suggestions"
+        size="small"
+        title="改进建议"
+        style="margin-bottom: 16px"
+      >
+        <n-text>{{ submission.ai_suggestions }}</n-text>
+      </n-card>
+
+      <!-- 详细评分 -->
+      <n-card
+        v-if="
+          submission.ai_criteria_details &&
+          Object.keys(submission.ai_criteria_details).length > 0
+        "
+        size="small"
+        title="详细评分"
+      >
+        <div
+          v-for="(detail, key) in submission.ai_criteria_details"
+          :key="key"
+          style="margin-bottom: 12px"
+        >
+          <!-- 评分项标题和分数 -->
+          <n-flex
+            justify="space-between"
+            align="center"
+            style="margin-bottom: 4px"
+          >
+            <n-text strong>{{ key }}</n-text>
+            <n-tag
+              :type="getPercentType(detail.score / detail.max)"
+              size="small"
+              round
+            >
+              {{ detail.score || 0 }}分 / {{ detail.max }}分
+            </n-tag>
+          </n-flex>
+          <!-- 评分项详细说明 -->
+          <n-text v-if="detail.comment" depth="3" style="font-size: 12px">
+            {{ detail.comment }}
+          </n-text>
+        </div>
+      </n-card>
+    </n-gi>
+  </n-grid>
+  <n-spin v-else :show="loading" class="loading-container"> </n-spin>
+</template>
+
+<script setup lang="ts">
+import { Icon } from "@iconify/vue"
+import { FlowchartSubmission } from "utils/types"
+import { useMermaid } from "shared/composables/useMermaid"
+
+interface Props {
+  submissionId: string
+}
+
+const props = defineProps<Props>()
+const mermaidContainer = useTemplateRef<HTMLElement>("mermaidContainer")
+const { renderError, renderFlowchart } = useMermaid()
+
+const submission = ref<FlowchartSubmission | null>(null)
+const loading = ref(false)
+const rendering = ref(false)
+const showLargeImage = ref(false)
+
+function getPercentType(percent: number) {
+  if (percent >= 0.8) return "primary"
+  else if (percent >= 0.6) return "info"
+  else if (percent >= 0.4) return "warning"
+  return "error"
+}
+
+async function loadSubmission() {
+  if (!props.submissionId) return
+  loading.value = true
+  try {
+    const { getFlowchartSubmission } = await import("oj/api")
+    const res = await getFlowchartSubmission(props.submissionId)
+    submission.value = res.data
+
+    // 渲染流程图
+    if (submission.value?.mermaid_code) {
+      rendering.value = true
+      await nextTick()
+      await renderFlowchart(
+        mermaidContainer.value,
+        submission.value.mermaid_code,
+      )
+      rendering.value = false
+    }
+  } catch (error) {
+    console.error("Failed to load submission:", error)
+  } finally {
+    loading.value = false
+  }
+}
+
+watch(() => props.submissionId, loadSubmission, { immediate: true })
+</script>
+
+<style scoped>
+.flowchart {
+  height: 500px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+/* 确保 SVG 图表占满容器 */
+:deep(.flowchart > svg) {
+  height: 100%;
+}
+
+.loading-container {
+  min-height: 600px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+</style>
diff --git a/src/oj/submission/detail.vue b/src/oj/submission/detail.vue
index 69cf604..5b9704b 100644
--- a/src/oj/submission/detail.vue
+++ b/src/oj/submission/detail.vue
@@ -147,8 +147,7 @@ onMounted(init)
       :data="submission.info.data"
     />
   </n-flex>
-  <n-spin v-else :show="loading" class="loading-container">
-  </n-spin>
+  <n-spin v-else :show="loading" class="loading-container"> </n-spin>
 </template>
 
 <style scoped>