diff --git a/battle_srv/models/room.go b/battle_srv/models/room.go
index dd54cc8..5fb98fd 100644
--- a/battle_srv/models/room.go
+++ b/battle_srv/models/room.go
@@ -426,11 +426,10 @@ func (pR *Room) StartBattle() {
 
 	// Initialize the "collisionSys" as well as "RenderFrameBuffer"
 	pR.CurDynamicsRenderFrameId = 0
-	kickoffFrameJs := &battle.RoomDownsyncFrame{
-		Id:             pR.RenderFrameId,
-		PlayersArr:     toJsPlayers(pR.Players),
-		CountdownNanos: pR.BattleDurationNanos,
-	}
+	kickoffFrameJs := battle.NewPreallocatedRoomDownsyncFrame(len(pR.Players), 64, 64)
+	battle.CloneRoomDownsyncFrame(pR.RenderFrameId, toJsPlayers(pR.Players), 0, make([]*battle.MeleeBullet, 0), make([]*battle.FireballBullet, 0), kickoffFrameJs)
+	kickoffFrameJs.CountdownNanos = pR.BattleDurationNanos
+
 	pR.RenderFrameBuffer.Put(kickoffFrameJs)
 
 	// Refresh "Colliders"
diff --git a/frontend/assets/resources/prefabs/FindingPlayer.prefab b/frontend/assets/resources/prefabs/FindingPlayer.prefab
index 9509dc5..ea51677 100644
--- a/frontend/assets/resources/prefabs/FindingPlayer.prefab
+++ b/frontend/assets/resources/prefabs/FindingPlayer.prefab
@@ -59,7 +59,7 @@
       "ctor": "Float64Array",
       "array": [
         480,
-        320,
+        480,
         0,
         0,
         0,
@@ -242,7 +242,7 @@
       "ctor": "Float64Array",
       "array": [
         0,
-        128,
+        -9.924,
         0,
         0,
         0,
diff --git a/frontend/assets/scenes/login.fire b/frontend/assets/scenes/login.fire
index d15fcf3..a3fe1b3 100644
--- a/frontend/assets/scenes/login.fire
+++ b/frontend/assets/scenes/login.fire
@@ -461,7 +461,7 @@
       "array": [
         0,
         0,
-        210.4441731196186,
+        209.66956379694378,
         0,
         0,
         0,
diff --git a/frontend/assets/scripts/NetworkDoctor.js b/frontend/assets/scripts/NetworkDoctor.js
index 5b91d7a..7936928 100644
--- a/frontend/assets/scripts/NetworkDoctor.js
+++ b/frontend/assets/scripts/NetworkDoctor.js
@@ -91,7 +91,7 @@ NetworkDoctor.prototype.isTooFast = function(mapIns) {
     // Don't send too fast
     if (CC_DEBUG) {    
       // Printing of this message might induce a performance impact.
-      console.log(`Sending too fast, sendingFps=${sendingFps}`);
+      // console.log(`Sending too fast, sendingFps=${sendingFps}`);
     }
     return [true, inputFrameIdFront, sendingFps, srvDownsyncFps, peerUpsyncFps, rollbackFrames, skippedRenderFrameCnt];
   } else {
@@ -109,7 +109,7 @@ NetworkDoctor.prototype.isTooFast = function(mapIns) {
         // first comparison condition is to avoid numeric overflow
         if (CC_DEBUG) {
             // Printing of this message might induce a performance impact.
-            console.log(`Game logic ticking too fast, selfInputFrameIdFront=${inputFrameIdFront}, minInputFrameIdFront=${minInputFrameIdFront}, inputFrameUpsyncDelayTolerance=${mapIns.inputFrameUpsyncDelayTolerance}`);
+            // console.log(`Game logic ticking too fast, selfInputFrameIdFront=${inputFrameIdFront}, minInputFrameIdFront=${minInputFrameIdFront}, inputFrameUpsyncDelayTolerance=${mapIns.inputFrameUpsyncDelayTolerance}`);
         }
         return [true, inputFrameIdFront, sendingFps, srvDownsyncFps, peerUpsyncFps, rollbackFrames, skippedRenderFrameCnt];
       }
diff --git a/frontend/settings/builder.json b/frontend/settings/builder.json
index fe5ef4a..ab222b4 100644
--- a/frontend/settings/builder.json
+++ b/frontend/settings/builder.json
@@ -17,8 +17,7 @@
   },
   "encryptJs": false,
   "excludeScenes": [
-    "2ff474d9-0c9e-4fe3-87ec-fbff7cae85b4",
-    "92160186-3e0d-4e0a-ae20-97286170ba58"
+    "8491a86c-bec9-4813-968a-128ca01639e0"
   ],
   "fb-instant-games": {},
   "includeSDKBox": false,
@@ -38,7 +37,7 @@
     "REMOTE_SERVER_ROOT": "",
     "orientation": "portrait"
   },
-  "startScene": "8491a86c-bec9-4813-968a-128ca01639e0",
+  "startScene": "2ff474d9-0c9e-4fe3-87ec-fbff7cae85b4",
   "title": "DelayNoMore",
   "webOrientation": "landscape",
   "wechatgame": {