fix: BugCollect 前端空 catch 块添加错误提示

修复：
- BugCollectIssues.vue - 添加 ElMessage.error
- BugCollectEvents.vue - 添加 ElMessage.error
- BugCollectRankFreq.vue - 添加 ElMessage.error
- BugCollectRankRisk.vue - 添加 ElMessage.error
- BugCollectSourcemaps.vue - 添加 ElMessage.error

Co-Authored-By: Claude <noreply@anthropic.com>

tenant-platform/src/views/bug-collect/BugCollectEvents.vue

@@ -104,6 +104,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
+import { ElMessage } from 'element-plus'
 import { bugCollectApi, type BugCollectEventItem } from '@/api/bugcollect'
 import { useBugCollectApp } from '@/composables/useBugCollectApp'
 import { formatTime } from '@/utils/bugCollect'
@@ -138,6 +139,7 @@ async function loadData() {
     events.value = data.items ?? []
     total.value = data.total ?? 0
   } catch {
+    ElMessage.error('加载事件列表失败')
   } finally {
     loading.value = false
   }

tenant-platform/src/views/bug-collect/BugCollectIssues.vue

@@ -100,6 +100,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
+import { ElMessage } from 'element-plus'
 import { bugCollectApi, type BugCollectIssue } from '@/api/bugcollect'
 import { useBugCollectApp } from '@/composables/useBugCollectApp'
 import { levelTag, statusTag, statusLabel, formatTime } from '@/utils/bugCollect'
@@ -134,6 +135,7 @@ async function loadData() {
     issues.value = data.items ?? []
     total.value = data.total ?? 0
   } catch {
+    ElMessage.error('加载错误列表失败')
   } finally {
     loading.value = false
   }

tenant-platform/src/views/bug-collect/BugCollectRankFreq.vue

@@ -68,6 +68,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, onBeforeUnmount, watch, nextTick } from 'vue'
+import { ElMessage } from 'element-plus'
 import { bugCollectApi, type BugCollectIssueRanking } from '@/api/bugcollect'
 import { useBugCollectApp } from '@/composables/useBugCollectApp'
 import { levelTag, statusTag, statusLabel, formatTime } from '@/utils/bugCollect'
@@ -104,6 +105,7 @@ async function loadData() {
     await nextTick()
     renderChart()
   } catch {
+    ElMessage.error('加载高频排行失败')
     rankings.value = []
   } finally {
     loading.value = false

tenant-platform/src/views/bug-collect/BugCollectRankRisk.vue

@@ -73,6 +73,7 @@
 
 <script setup lang="ts">
 import { ref, onMounted, onBeforeUnmount, watch, nextTick } from 'vue'
+import { ElMessage } from 'element-plus'
 import { bugCollectApi, type BugCollectIssueRanking } from '@/api/bugcollect'
 import { useBugCollectApp } from '@/composables/useBugCollectApp'
 import { levelTag, statusTag, statusLabel, formatTime } from '@/utils/bugCollect'
@@ -116,6 +117,7 @@ async function loadData() {
     await nextTick()
     renderChart()
   } catch {
+    ElMessage.error('加载高危排行失败')
     rankings.value = []
   } finally {
     loading.value = false

tenant-platform/src/views/bug-collect/BugCollectSourcemaps.vue

@@ -94,6 +94,7 @@ npx react-native bundle --platform android --dev false</pre>
 
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
+import { ElMessage } from 'element-plus'
 import { bugCollectApi, type BugCollectSourcemap } from '@/api/bugcollect'
 import { useBugCollectApp } from '@/composables/useBugCollectApp'
 import { levelTag, statusTag, statusLabel, formatTime } from '@/utils/bugCollect'
@@ -120,6 +121,7 @@ async function loadData() {
     const res = await bugCollectApi.sourcemaps.list(appKey.value)
     sourcemaps.value = res.data.data ?? []
   } catch {
+    ElMessage.error('加载 Sourcemap 列表失败')
     sourcemaps.value = []
   } finally {
     loading.value = false