diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/PacketFactory.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/PacketFactory.kt
index 925714242..b6784ddc7 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/PacketFactory.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/PacketFactory.kt
@@ -122,7 +122,9 @@ internal typealias PacketConsumer<T> = suspend (packetFactory: PacketFactory<T>,
  * 它默认是关闭的.
  */
 @PublishedApi
-internal val PacketLogger: MiraiLoggerWithSwitch = DefaultLogger("Packet").withSwitch(false)
+internal val PacketLogger: MiraiLoggerWithSwitch by lazy {
+    DefaultLogger("Packet").withSwitch(false)
+}
 
 internal object KnownPacketFactories {
     object OutgoingFactories : List<OutgoingPacketFactory<*>> by mutableListOf(
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/MiraiLogger.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/MiraiLogger.kt
index ee9e9b8bc..cc829768c 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/MiraiLogger.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/MiraiLogger.kt
@@ -211,17 +211,23 @@ inline fun MiraiLogger.error(lazyMessage: () -> String?, e: Throwable?) {
  * 在 _JVM 控制台_ 端的实现为 [println]
  * 在 _Android_ 端的实现为 `android.util.Log`
  *
- * 不应该直接构造这个类的实例. 请使用 [DefaultLogger]
- *
  *
  * 单条日志格式 (正则) 为:
  * ```regex
- * ^([\w-]*\s[\w:]*)\s\[(\w\])\s(.*?):\s(.+)$
+ * ^([\w-]*\s[\w:]*)\s(\w)\/(.*?):\s(.+)$
  * ```
  * 其中 group 分别为: 日期与时间, 严重程度, [identity], 消息内容.
  *
+ * 示例:
+ * ```log
+ * 2020-05-21 19:51:09 V/Bot 1994701021: Send: OidbSvc.0x88d_7
+ * ```
+ *
  * 日期时间格式为 `yyyy-MM-dd HH:mm:ss`,
+ *
  * 严重程度为 V, I, W, E. 分别对应 verbose, info, warning, error
+ *
+ * @see DefaultLogger
  */
 expect open class PlatformLogger @JvmOverloads constructor(identity: String? = "Mirai") : MiraiLoggerPlatformBase
 
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformLogger.jvm.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformLogger.jvm.kt
index 0379e8b7f..e070f0065 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformLogger.jvm.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/PlatformLogger.jvm.kt
@@ -21,8 +21,6 @@ import java.util.*
 /**
  * JVM 控制台日志实现
  *
- * 不应该直接构造这个类的实例. 请使用 [DefaultLogger]
- *
  *
  * 单条日志格式 (正则) 为:
  * ```regex
@@ -41,6 +39,7 @@ import java.util.*
  *
  * @param isColored 是否添加 ANSI 颜色
  *
+ * @see DefaultLogger
  * @see SingleFileLogger 使用单一文件记录日志
  * @see DirectoryLogger 在一个目录中按日期存放文件记录日志, 自动清理过期日志
  */