优化log显示效果

admin/dashboard/templates/wx_logs.html

@@ -38,11 +38,13 @@
                 <el-checkbox v-model="autoScroll" class="ml-4">自动滚动到底部</el-checkbox>
             </div>
             <div v-if="filteredLogs.length > 0" class="log-content">
+                {% raw %}
                 <div v-for="(log, index) in filteredLogs" :key="index" :class="['log-entry', `log-level-${log.level}`]">
                     <span class="log-timestamp">{{ formatTimestamp(log.timestamp) }}</span>
                     <span class="log-level" :class="{'text-blue-500': log.level === 'INFO', 'text-yellow-500': log.level === 'WARNING', 'text-red-500': log.level === 'ERROR'}">{{ log.level }}</span>
                     <span class="log-message">{{ log.message }}</span>
                 </div>
+                {% endraw %}
             </div>
             <div v-else class="empty-log">
                 <el-empty description="暂无日志内容"></el-empty>
@@ -101,15 +103,16 @@
                     this.filteredLogs = this.logContent;
                 } else {
                     const query = this.searchQuery.toLowerCase();
-                    this.filteredLogs = this.logContent.filter(log => 
-                        log.message.toLowerCase().includes(query) || 
-                        log.level.toLowerCase().includes(query) || 
-                        log.timestamp.toLowerCase().includes(query)
+                    this.filteredLogs = this.logContent.filter(log =>
+                        (log.message && log.message.toLowerCase().includes(query)) ||
+                        (log.level && log.level.toLowerCase().includes(query)) ||
+                        (log.timestamp && log.timestamp.toLowerCase().includes(query))
                     );
                 }
                 this.$nextTick(() => this.scrollToBottom());
             },
             formatTimestamp(timestamp) {
+                if (!timestamp) return '';
                 return new Date(timestamp).toLocaleString('zh-CN', { 
                     year: 'numeric', month: '2-digit', day: '2-digit', 
                     hour: '2-digit', minute: '2-digit', second: '2-digit'