diff --git a/mirai-core-utils/src/commonMain/kotlin/Annotations.kt b/mirai-core-utils/src/commonMain/kotlin/Annotations.kt
index 36c83ad7c..5c1b71084 100644
--- a/mirai-core-utils/src/commonMain/kotlin/Annotations.kt
+++ b/mirai-core-utils/src/commonMain/kotlin/Annotations.kt
@@ -14,6 +14,6 @@ import kotlin.annotation.AnnotationTarget.*
 
 
 @RequiresOptIn("This can only be used in tests.", level = ERROR)
-@Target(CLASS, FUNCTION, PROPERTY)
-@Retention(AnnotationRetention.BINARY)
+@Target(CLASS, FUNCTION, PROPERTY, CLASS, CONSTRUCTOR, FUNCTION)
+@Retention(AnnotationRetention.SOURCE)
 public annotation class TestOnly
\ No newline at end of file
diff --git a/mirai-core/src/commonMain/kotlin/network/components/ServerList.kt b/mirai-core/src/commonMain/kotlin/network/components/ServerList.kt
index 2f8791432..2570f255b 100644
--- a/mirai-core/src/commonMain/kotlin/network/components/ServerList.kt
+++ b/mirai-core/src/commonMain/kotlin/network/components/ServerList.kt
@@ -13,8 +13,8 @@ import kotlinx.serialization.Serializable
 import net.mamoe.mirai.internal.network.component.ComponentKey
 import net.mamoe.mirai.internal.network.components.ServerList.Companion.DEFAULT_SERVER_LIST
 import net.mamoe.mirai.utils.MiraiLogger
+import net.mamoe.mirai.utils.TestOnly
 import net.mamoe.mirai.utils.info
-import org.jetbrains.annotations.TestOnly
 import java.net.InetSocketAddress
 import java.util.*