diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
index 37ac6bb..07e40d6 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/port/ParseHelper.kt
@@ -22,7 +22,6 @@ import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import org.easydarwin.TxtOverlay
 import kotlin.math.pow
-import kotlin.random.Random
 
 object ParseHelper {