优化

app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt

@@ -115,7 +115,9 @@ class Coroutine<T>(
 
     //取消当前任务
     fun cancel(cause: ActivelyCancelException = ActivelyCancelException()) {
+        if (!job.isCancelled) {
             job.cancel(cause)
+        }
         cancel?.let {
             MainScope().launch {
                 if (null == it.context) {
@@ -146,7 +148,7 @@ class Coroutine<T>(
                 success?.let { dispatchCallback(this, value, it) }
             } catch (e: Throwable) {
                 e.printOnDebug()
-                if (e is CancellationException && isActive) {
+                if (e is CancellationException && !isActive && e !is ActivelyCancelException) {
                     this@Coroutine.cancel()
                 }
                 if (e is CancellationException && e !is TimeoutCancellationException) {

app/src/main/java/io/legado/app/service/CheckSourceService.kt

@@ -190,15 +190,6 @@ class CheckSourceService : BaseService() {
             }.onSuccess(searchCoroutine) {
                 source.removeGroup("校验超时")
                 Debug.updateFinalMessage(source.bookSourceUrl, "校验成功")
-            }.onCancel(IO) {
-                source.addGroup("校验超时")
-                source.bookSourceComment =
-                    "Error: 校验超时" + if (source.bookSourceComment.isNullOrBlank())
-                        "" else "\n\n${source.bookSourceComment}"
-                Debug.updateFinalMessage(source.bookSourceUrl, "校验失败: 校验超时")
-                source.respondTime = Debug.getRespondTime(source.bookSourceUrl)
-                appDb.bookSourceDao.update(source)
-                onNext(source.bookSourceUrl, source.bookSourceName)
             }.onFinally(IO) {
                 source.respondTime = Debug.getRespondTime(source.bookSourceUrl)
                 appDb.bookSourceDao.update(source)