refactor: 修复知识库和操作指引

tests/Feature/TerminalSyncTest.php

@@ -48,7 +48,7 @@ class TerminalSyncTest extends TestCase
 
         // 断言任务已加入队列
         Queue::assertPushed(SyncTerminalConfigJob::class, function ($job) use ($terminal, $log) {
-            return $job->terminal->id === $terminal->id 
+            return $job->terminal->id === $terminal->id
                 && $job->log->id === $log->id;
         });
     }
@@ -64,7 +64,7 @@ class TerminalSyncTest extends TestCase
             'code' => 'TEST-002',
             'ip_address' => '192.168.1.100',
             'station_id' => 1,
-            'diagram_url' => 'https://example.com/diagram.png',
+            'diagram_url' => 'https://example.com/diagram.html',
             'display_config' => ['resolution' => '1920x1080'],
         ]);
 
@@ -117,7 +117,7 @@ class TerminalSyncTest extends TestCase
 
         // 断言创建了3个同步日志
         $this->assertCount(3, $logs);
-        
+
         // 断言每个终端都有同步日志
         foreach ($terminals as $terminal) {
             $this->assertDatabaseHas('terminal_sync_logs', [