fix

src/oj/ai/components/DurationChart.vue

@@ -88,8 +88,9 @@ const data = computed<ChartData<"bar" | "line">>(() => {
         type: "line",
         label: "等级",
         data: aiStore.durationData.map((duration) =>
-          gradeOrder.indexOf(duration.grade || "C"),
+          duration.grade ? gradeOrder.indexOf(duration.grade) : null,
         ),
+        spanGaps: false,
         tension: 0.4,
         yAxisID: "y1",
         barThickness: 10,

src/oj/ai/components/EfficiencyChart.vue

@@ -66,9 +66,9 @@ const efficiencyData = computed(() => {
     // 值越接近1，说明一次AC率越高
     const efficiency = problemCount > 0 ? submissionCount / problemCount : 0
 
-    // 计算一次AC率（百分比）
+    // AC率：AC题目数 / 总提交次数（越高说明提交质量越好）
     const onePassRate =
-      problemCount > 0 ? (problemCount / submissionCount) * 100 : 0
+      submissionCount > 0 ? (problemCount / submissionCount) * 100 : 0
 
     return {
       label: [
@@ -106,7 +106,7 @@ const data = computed<ChartData<"line">>(() => {
         yAxisID: "y",
       },
       {
-        label: "一次AC率",
+        label: "提交AC率",
         data: efficiency.map((e) => e.onePassRate),
         borderColor: "rgb(34, 197, 94)",
         backgroundColor: "rgba(34, 197, 94, 0.1)",
@@ -165,7 +165,7 @@ const options = computed(() => {
         max: 100,
         title: {
           display: true,
-          text: "一次AC率（%）",
+          text: "提交AC率（%）",
           font: {
             size: 13,
           },
@@ -201,10 +201,10 @@ const options = computed(() => {
                 `总提交: ${item.submissionCount} 次`,
               ]
             } else {
-              // 一次AC率
+              // 提交AC率
               return [
                 `${dsLabel}: ${item.onePassRate.toFixed(1)}%`,
-                `提示: 值越高表示刷题质量越好`,
+                `提示: AC题目数 / 总提交次数，越高表示提交质量越好`,
               ]
             }
           },

src/oj/ai/components/RankDistributionChart.vue

@@ -1,7 +1,7 @@
 <template>
-  <n-card title="解题排名分布" size="small" v-if="show">
+  <n-card title="同期解题排名分布" size="small" v-if="show">
     <template #header-extra>
-      <n-text depth="3" style="font-size: 12px">了解解题速度和竞争力</n-text>
+      <n-text depth="3" style="font-size: 12px">了解同期解题速度和竞争力</n-text>
     </template>
     <div style="height: 300px">
       <Pie :data="data" :options="options" />
@@ -36,12 +36,10 @@ const rankDistribution = computed(() => {
   }))
 
   aiStore.detailsData.solved.forEach((item) => {
-    const rank = item.rank
-    const acCount = item.ac_count
+    const rank = item.period_rank
+    const acCount = item.period_ac_count
 
     if (rank && acCount && acCount > 0) {
-      // 计算百分位：(rank / acCount) * 100
-      // 例如：第5名/共100人 = 5%
       const percentile = (rank / acCount) * 100
 
       // 找到对应的区间

src/oj/ai/components/SolvedTable.vue

@@ -2,7 +2,6 @@
   <n-tabs animated v-if="submissions.length && flowcharts.length">
     <n-tab-pane name="代码提交">
       <n-data-table
-        v-if="submissions.length"
         striped
         :data="submissions"
         :columns="columns"
@@ -11,7 +10,6 @@
     </n-tab-pane>
     <n-tab-pane name="流程图提交">
       <n-data-table
-        v-if="flowcharts.length"
         striped
         :data="flowcharts"
         :columns="flowchartsColumns"
@@ -20,12 +18,19 @@
     </n-tab-pane>
   </n-tabs>
   <n-data-table
-    v-if="submissions.length && !flowcharts.length"
+    v-else-if="submissions.length"
     striped
     :data="submissions"
     :columns="columns"
     :max-height="isDesktop ? 1500 : 500"
   />
+  <n-data-table
+    v-else-if="flowcharts.length"
+    striped
+    :data="flowcharts"
+    :columns="flowchartsColumns"
+    :max-height="isDesktop ? 1500 : 500"
+  />
 </template>
 
 <script lang="ts" setup>

src/oj/ai/components/TimeActivityHeatmap.vue

@@ -1,7 +1,7 @@
 <template>
   <n-card title="时间活跃度分析" size="small" v-if="show">
     <template #header-extra>
-      <n-text depth="3" style="font-size: 12px">发现最佳学习时段</n-text>
+      <n-text depth="3" style="font-size: 12px">基于 AC 时间，发现解题高峰时段</n-text>
     </template>
     <div style="height: 300px">
       <Bar :data="data" :options="options" />