diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/chunked.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/chunked.kt
index b038db375..5692e29bf 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/chunked.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/chunked.kt
@@ -19,6 +19,7 @@ import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOf
+import kotlinx.io.InputStream
 import kotlinx.serialization.InternalSerializationApi
 import net.mamoe.mirai.utils.MiraiInternalAPI