fix：1、添加sdk。2、修复bug

Assets/Scenes/MainScene.unity

@@ -1376,7 +1376,7 @@ GameObject:
   serializedVersion: 6
   m_Component:
   - component: {fileID: 2110239013}
-  - component: {fileID: 2110239012}
+  - component: {fileID: 2110239014}
   m_Layer: 0
   m_Name: WebviewManager
   m_TagString: Untagged
@@ -1384,18 +1384,6 @@ GameObject:
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!114 &2110239012
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 2110239011}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 59423ca7d3fb1cf4080c1827c2132dab, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
 --- !u!4 &2110239013
 Transform:
   m_ObjectHideFlags: 0
@@ -1411,6 +1399,19 @@ Transform:
   m_Children: []
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!114 &2110239014
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 2110239011}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 7f3b9d6c409a4d71bcc6f0c3720f826d, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  orthoCamera: {fileID: 0}
 --- !u!1660057539 &9223372036854775807
 SceneRoots:
   m_ObjectHideFlags: 0