diff --git a/Assets/Prefabs/ChatSystem/prefab_ChatCanvas.prefab b/Assets/Prefabs/ChatSystem/prefab_ChatCanvas.prefab
index 774eb6874d..c76513cc75 100644
--- a/Assets/Prefabs/ChatSystem/prefab_ChatCanvas.prefab
+++ b/Assets/Prefabs/ChatSystem/prefab_ChatCanvas.prefab
@@ -206,11 +206,11 @@ RectTransform:
   - {fileID: 6133989890986254344}
   m_Father: {fileID: 1983722419643715407}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: -545.9587, y: 54.83423}
-  m_SizeDelta: {x: -1091.9175, y: -653.2429}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 500, y: 426.75708}
+  m_Pivot: {x: 0, y: 1}
 --- !u!222 &6409592904291504631
 CanvasRenderer:
   m_ObjectHideFlags: 0
@@ -458,11 +458,11 @@ RectTransform:
   - {fileID: 4454076196230765805}
   m_Father: {fileID: 6199635200021499044}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 0, y: -288.98}
+  m_SizeDelta: {x: 508.681, y: 53}
+  m_Pivot: {x: 0, y: 1}
 --- !u!1 &4190358850504021446
 GameObject:
   m_ObjectHideFlags: 0
@@ -497,11 +497,11 @@ RectTransform:
   - {fileID: 7473152984931807423}
   m_Father: {fileID: 6199635200021499044}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 0, y: -783}
+  m_SizeDelta: {x: 508.681, y: 441.022}
+  m_Pivot: {x: 0, y: 0}
 --- !u!222 &5213722908587404148
 CanvasRenderer:
   m_ObjectHideFlags: 0
@@ -553,7 +553,6 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   inputField: {fileID: 2725480406471239880}
-  maxChatLength: 256
 --- !u!1 &4425286880128952433
 GameObject:
   m_ObjectHideFlags: 0
@@ -1134,11 +1133,11 @@ RectTransform:
   - {fileID: 7133716985767026273}
   m_Father: {fileID: 4963429530816417249}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: -746.7, y: 304}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 116, y: -0.000026464}
   m_SizeDelta: {x: 160, y: 50}
-  m_Pivot: {x: 0.5, y: 0.5}
+  m_Pivot: {x: 0, y: 1}
 --- !u!222 &5054963699385999060
 CanvasRenderer:
   m_ObjectHideFlags: 0
@@ -1427,7 +1426,7 @@ MonoBehaviour:
   m_Spacing: 0
   m_ChildForceExpandWidth: 1
   m_ChildForceExpandHeight: 1
-  m_ChildControlWidth: 0
+  m_ChildControlWidth: 1
   m_ChildControlHeight: 0
   m_ChildScaleWidth: 0
   m_ChildScaleHeight: 0