diff --git a/subpackages/mine/scores/scores.js b/subpackages/mine/scores/scores.js
index 3ebb6d7..872b673 100644
--- a/subpackages/mine/scores/scores.js
+++ b/subpackages/mine/scores/scores.js
@@ -7,9 +7,9 @@ Page({
     eventIndex: 0,
     selectedEventId: '',
     projects: [],
-    projectNames: ['全部项目'],
+    projectNames: [],
     projectIndex: 0,
-    groupNames: ['全部组别'],
+    groupNames: [],
     groupIndex: 0,
     keyword: '',
     rows: [],
@@ -49,7 +49,17 @@ Page({
   onEventChange(e) {
     const eventIndex = Number(e.detail.value) || 0;
     const selected = this.data.events[eventIndex];
-    this.setData({ eventIndex, selectedEventId: selected ? selected.id : '', projectIndex: 0, groupIndex: 0, rows: [], searched: false });
+    this.setData({
+      eventIndex,
+      selectedEventId: selected ? selected.id : '',
+      projects: [],
+      projectNames: [],
+      projectIndex: 0,
+      groupNames: [],
+      groupIndex: 0,
+      rows: [],
+      searched: false
+    });
     this.loadFilters()
       .then(() => this.queryScores())
       .catch((err) => wx.showToast({ title: (err && err.message) || '筛选条件加载失败', icon: 'none' }));
@@ -59,23 +69,39 @@ Page({
     if (!this.data.selectedEventId) return Promise.resolve();
     return competition.fetchScoreFilters(this.data.selectedEventId).then((res) => {
       const projects = Array.isArray(res && res.projects) ? res.projects : [];
-      const groups = Array.isArray(res && res.groupNames) ? res.groupNames : [];
+      const groupNames = projects[0] && Array.isArray(projects[0].groupNames)
+        ? projects[0].groupNames
+        : [];
       this.setData({
         projects,
-        projectNames: ['全部项目'].concat(projects.map((item) => item.projectName || item.name || '未命名项目')),
+        projectNames: projects.map((item) => item.projectName || item.name || '未命名项目'),
         projectIndex: 0,
-        groupNames: ['全部组别'].concat(groups),
+        groupNames,
         groupIndex: 0
       });
     });
   },
 
   onProjectChange(e) {
-    this.setData({ projectIndex: Number(e.detail.value) || 0 });
+    const projectIndex = Number(e.detail.value) || 0;
+    const project = this.data.projects[projectIndex];
+    this.setData({
+      projectIndex,
+      groupNames: project && Array.isArray(project.groupNames) ? project.groupNames : [],
+      groupIndex: 0,
+      rows: [],
+      searched: false,
+      expandedId: ''
+    });
   },
 
   onGroupChange(e) {
-    this.setData({ groupIndex: Number(e.detail.value) || 0 });
+    this.setData({
+      groupIndex: Number(e.detail.value) || 0,
+      rows: [],
+      searched: false,
+      expandedId: ''
+    });
   },
 
   onKeywordInput(e) {
@@ -94,11 +120,17 @@ Page({
     // 拦住重复点击"查询"导致的并发请求；首次加载时 loadEvents 已置 loading=true，
     // 故必须同时判 searched，否则初次查询会被自己拦掉。
     if (this.data.loading && this.data.searched) return Promise.resolve();
+    const project = this.data.projects[this.data.projectIndex];
+    const groupName = this.data.groupNames[this.data.groupIndex];
+    if (!this.data.selectedEventId || !project || !groupName) {
+      this.setData({ rows: [], searched: true, loading: false, expandedId: '' });
+      return Promise.resolve();
+    }
     this.setData({ loading: true, expandedId: '' });
     return competition.queryScores({
       eventId: this.data.selectedEventId,
-      projectId: this.data.projectIndex > 0 ? this.data.projects[this.data.projectIndex - 1].projectId : undefined,
-      groupName: this.data.groupIndex > 0 ? this.data.groupNames[this.data.groupIndex] : undefined,
+      projectId: project.projectId,
+      groupName,
       keyword: this.data.keyword
     }).then((res) => {
       this.setData({ rows: (res && res.rows) || [], searched: true });
diff --git a/subpackages/mine/scores/scores.wxml b/subpackages/mine/scores/scores.wxml
index 6c17c9a..132aba1 100644
--- a/subpackages/mine/scores/scores.wxml
+++ b/subpackages/mine/scores/scores.wxml
@@ -28,7 +28,7 @@
       <input class="keyword-input" value="{{keyword}}" placeholder="姓名 / 参赛编号" placeholder-class="placeholder" confirm-type="search" bindinput="onKeywordInput" bindconfirm="onSearch" />
       <text wx:if="{{keyword}}" class="clear-btn" bindtap="onClearKeyword">×</text>
     </view>
-    <button class="search-btn" loading="{{loading}}" disabled="{{loading || !selectedEventId}}" bindtap="onSearch">查询成绩</button>
+    <button class="search-btn" loading="{{loading}}" disabled="{{loading || !selectedEventId || !projects.length || !groupNames.length}}" bindtap="onSearch">查询成绩</button>
   </view>
 
   <view class="result-header" wx:if="{{searched && !loading}}">