diff --git a/src/main/kotlin/net/taehui/twilight/JSON.kt b/src/main/kotlin/net/taehui/twilight/JSON.kt
index f71d431..6f63e8e 100644
--- a/src/main/kotlin/net/taehui/twilight/JSON.kt
+++ b/src/main/kotlin/net/taehui/twilight/JSON.kt
@@ -72,8 +72,8 @@
 
         @JsonIgnoreProperties(ignoreUnknown = true)
         class StopEvent(
-            val duration: Long,
-            val y: Long
+            val duration: Long = 0L,
+            val y: Long = 0L
         )
     }
 
diff --git a/src/main/kotlin/net/taehui/twilight/Site.kt b/src/main/kotlin/net/taehui/twilight/Site.kt
index 50af9df..2795ff2 100644
--- a/src/main/kotlin/net/taehui/twilight/Site.kt
+++ b/src/main/kotlin/net/taehui/twilight/Site.kt
@@ -1457,7 +1457,10 @@
                             handlerID = this@Site.handlerID
                             avatarName = avatar.avatarName
                             postedItem = qwilightPostItem.postedItem
-                            wait = Random.nextDouble(qwilightPostItem.lowestWait, qwilightPostItem.highestWait)
+                            wait = if (qwilightPostItem.lowestWait < qwilightPostItem.highestWait) Random.nextDouble(
+                                qwilightPostItem.lowestWait,
+                                qwilightPostItem.highestWait
+                            ) else qwilightPostItem.highestWait
                         }.build()
                     }.build())
                 }