diff --git a/server/gameserver/android_agent.cc b/server/gameserver/android_agent.cc
index 558388c5..20f15464 100644
--- a/server/gameserver/android_agent.cc
+++ b/server/gameserver/android_agent.cc
@@ -51,5 +51,21 @@ bool AndroidAgent::IsCrazeMode()
 
 bool AndroidAgent::IsCrazeModePrepareMode()
 {
-    return a8::HasBitFlag(GetOwner()->status, CS_CrazeMode);
+    if (!IsCrazeMode()) {
+        return false;
+    }
+    if (GetOwner()->room->GetFrameNo() - owner_->enable_frameno > SERVER_FRAME_RATE * 20) {
+        return false;
+    } else {
+        if (GetSafeAreaRadius() < 200) {
+            return false;
+        }
+        if (IsGameOver()) {
+            return false;
+        }
+        if (IsDead()) {
+            return false;
+        }
+        return true;
+    }
 }