diff --git a/Yi.Ai.Vue3/src/components/userPersonalCenter/components/UsageStatistics.vue b/Yi.Ai.Vue3/src/components/userPersonalCenter/components/UsageStatistics.vue
index 3f6b3609..0fc17e54 100644
--- a/Yi.Ai.Vue3/src/components/userPersonalCenter/components/UsageStatistics.vue
+++ b/Yi.Ai.Vue3/src/components/userPersonalCenter/components/UsageStatistics.vue
@@ -1,5 +1,6 @@
 <script lang="ts" setup>
-import { PieChart } from '@element-plus/icons-vue';
+import { FullScreen, PieChart } from '@element-plus/icons-vue';
+import { useElementSize } from '@vueuse/core';
 import { BarChart, PieChart as EPieChart, LineChart } from 'echarts/charts';
 import {
   GraphicComponent,
@@ -8,7 +9,6 @@ import {
   TitleComponent,
   TooltipComponent,
 } from 'echarts/components';
-// 按需引入 ECharts
 import * as echarts from 'echarts/core';
 import { CanvasRenderer } from 'echarts/renderers';
 import { getLast7DaysTokenUsage, getModelTokenUsage } from '@/api';
@@ -34,48 +34,20 @@ let lineChartInstance: any = null;
 let pieChartInstance: any = null;
 let barChartInstance: any = null;
 
+// 全屏状态
+const isFullscreen = ref(false);
+const usageStatisticsRef = ref<HTMLElement>();
+
+// 容器尺寸监听
+const pieContainerSize = useElementSize(pieChart);
+const barContainerSize = useElementSize(barChart);
+
 // 数据
-const dateRange = ref([
-  new Date(new Date().setDate(new Date().getDate() - 30)),
-  new Date(),
-]);
 const loading = ref(false);
 const totalTokens = ref(0);
 const usageData = ref<any[]>([]);
 const modelUsageData = ref<any[]>([]);
 
-// 日期选择器选项
-const pickerOptions = {
-  disabledDate(time: Date) {
-    return time > new Date();
-  },
-  shortcuts: [{
-    text: '最近一周',
-    onClick(picker: any) {
-      const end = new Date();
-      const start = new Date();
-      start.setDate(start.getDate() - 7);
-      picker.$emit('pick', [start, end]);
-    },
-  }, {
-    text: '最近一个月',
-    onClick(picker: any) {
-      const end = new Date();
-      const start = new Date();
-      start.setMonth(start.getMonth() - 1);
-      picker.$emit('pick', [start, end]);
-    },
-  }, {
-    text: '最近三个月',
-    onClick(picker: any) {
-      const end = new Date();
-      const start = new Date();
-      start.setMonth(start.getMonth() - 3);
-      picker.$emit('pick', [start, end]);
-    },
-  }],
-};
-
 // 获取用量数据
 async function fetchUsageData() {
   loading.value = true;
@@ -149,7 +121,7 @@ function updateLineChart() {
       type: 'category',
       data: dates,
       axisLabel: {
-        rotate: 45,
+        // rotate: 45,
       },
     },
     yAxis: {
@@ -182,7 +154,7 @@ function updateLineChart() {
   lineChartInstance.setOption(option);
 }
 
-// 更新饼图
+// 更新饼图 - 动态适应数据量
 function updatePieChart() {
   if (!pieChartInstance || modelUsageData.value.length === 0)
     return;
@@ -192,15 +164,31 @@ function updatePieChart() {
     value: item.tokens,
   }));
 
+  const isManyItems = data.length > 8;
+  const isSmallContainer = pieContainerSize.width.value < 600;
+
   const option = {
     tooltip: {
       trigger: 'item',
       formatter: '{a} <br/>{b}: {c} tokens ({d}%)',
     },
     legend: {
-      orient: 'vertical',
-      right: 10,
-      top: 'center',
+      orient: isManyItems ? 'vertical' : 'horizontal',
+      right: isManyItems ? 10 : 'auto',
+      bottom: isManyItems ? 0 : 10,
+      type: isManyItems ? 'scroll' : 'plain',
+      pageIconColor: '#3a4de9',
+      pageIconInactiveColor: '#ccc',
+      pageTextStyle: { color: '#333' },
+      itemGap: isSmallContainer ? 5 : 10,
+      itemWidth: isSmallContainer ? 15 : 25,
+      itemHeight: isSmallContainer ? 10 : 14,
+      textStyle: {
+        fontSize: isSmallContainer ? 10 : 12,
+      },
+      formatter(name: string) {
+        return name.length > 15 ? `${name.substring(0, 12)}...` : name;
+      },
       data: data.map(item => item.name),
     },
     series: [
@@ -208,6 +196,7 @@ function updatePieChart() {
         name: '模型用量',
         type: 'pie',
         radius: ['50%', '70%'],
+        center: isManyItems ? ['40%', '50%'] : ['50%', '50%'],
         avoidLabelOverlap: false,
         itemStyle: {
           borderRadius: 10,
@@ -236,7 +225,7 @@ function updatePieChart() {
   pieChartInstance.setOption(option);
 }
 
-// 更新柱状图
+// 更新柱状图 - 动态适应数据量
 function updateBarChart() {
   if (!barChartInstance || modelUsageData.value.length === 0)
     return;
@@ -244,6 +233,9 @@ function updateBarChart() {
   const models = modelUsageData.value.map(item => item.model);
   const tokens = modelUsageData.value.map(item => item.tokens);
 
+  const isManyItems = models.length > 10;
+  const isSmallContainer = barContainerSize.width.value < 600;
+
   const option = {
     tooltip: {
       trigger: 'axis',
@@ -256,6 +248,7 @@ function updateBarChart() {
       left: '3%',
       right: '4%',
       bottom: '3%',
+      top: '3%',
       containLabel: true,
     },
     xAxis: {
@@ -267,12 +260,20 @@ function updateBarChart() {
       data: models,
       axisLabel: {
         interval: 0,
+        fontSize: Math.max(10, 14 - Math.floor(models.length / 10)),
+        formatter(value: string) {
+          if (isSmallContainer && value.length > 10) {
+            return `${value.substring(0, 8)}...`;
+          }
+          return value;
+        },
       },
     },
     series: [
       {
         name: '用量',
         type: 'bar',
+        barWidth: isManyItems ? '60%' : '80%',
         data: tokens,
         itemStyle: {
           color(params: any) {
@@ -311,6 +312,20 @@ function resizeCharts() {
   barChartInstance?.resize();
 }
 
+// 切换全屏
+function toggleFullscreen() {
+  isFullscreen.value = !isFullscreen.value;
+  nextTick(() => {
+    resizeCharts();
+  });
+}
+
+// 监听容器大小变化
+watch([pieContainerSize.width, barContainerSize.width], () => {
+  updatePieChart();
+  updateBarChart();
+});
+
 onMounted(() => {
   initCharts();
   fetchUsageData();
@@ -325,12 +340,23 @@ onBeforeUnmount(() => {
 </script>
 
 <template>
-  <div class="usage-statistics">
+  <div
+    ref="usageStatisticsRef"
+    class="usage-statistics"
+    :class="{ 'fullscreen-mode': isFullscreen }"
+  >
     <div class="header">
       <h2>
         <el-icon><PieChart /></el-icon>
         Token用量统计
       </h2>
+      <el-button
+        :icon="FullScreen"
+        circle
+        plain
+        size="small"
+        @click="toggleFullscreen"
+      />
     </div>
 
     <el-card v-loading="loading" class="chart-card">
@@ -354,7 +380,7 @@ onBeforeUnmount(() => {
         </div>
       </template>
       <div class="chart-container">
-        <div ref="pieChart" class="chart" style="height: 400px;" />
+        <div ref="pieChart" class="chart" style="height: 450px;" />
       </div>
     </el-card>
 
@@ -365,16 +391,29 @@ onBeforeUnmount(() => {
         </div>
       </template>
       <div class="chart-container">
-        <div ref="barChart" class="chart" style="height: 400px;" />
+        <div ref="barChart" class="chart" style="height: 500px;" />
       </div>
     </el-card>
   </div>
 </template>
 
 <style scoped>
-/* 样式保持不变 */
 .usage-statistics {
   padding: 20px;
+  position: relative;
+  transition: all 0.3s ease;
+}
+
+.usage-statistics.fullscreen-mode {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 2000;
+  background: #fff;
+  padding: 20px;
+  overflow-y: auto;
 }
 
 .header {
@@ -421,6 +460,19 @@ onBeforeUnmount(() => {
   .header {
     flex-direction: column;
     align-items: flex-start;
+    gap: 10px;
+  }
+
+  .chart-card {
+    margin-bottom: 15px;
+  }
+
+  .chart {
+    height: 350px !important;
+  }
+
+  .usage-statistics.fullscreen-mode {
+    padding: 10px;
   }
 }
 </style>