diff --git a/assets/res/prefabs/NUI/UIMain.prefab b/assets/res/prefabs/NUI/UIMain.prefab
index 2909221d..e5ce0bfd 100644
--- a/assets/res/prefabs/NUI/UIMain.prefab
+++ b/assets/res/prefabs/NUI/UIMain.prefab
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@@ -29923,7 +30242,7 @@
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@@ -29959,18 +30278,18 @@
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@@ -30021,7 +30340,7 @@
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@@ -30057,18 +30376,18 @@
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@@ -30155,18 +30474,18 @@
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@@ -30351,7 +30670,7 @@
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@@ -30382,25 +30701,25 @@
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+      "__id__": 787
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@@ -30451,18 +30770,18 @@
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     "_objFlags": 0,
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+      "__id__": 845
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     "_prefab": {
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     "_color": {
@@ -30513,7 +30832,7 @@
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@@ -30549,7 +30868,7 @@
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@@ -30574,7 +30893,7 @@
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@@ -30603,21 +30922,21 @@
     "_name": "btnConfirm",
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     "_parent": {
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+      "__id__": 787
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     "_active": true,
     "_level": 3,
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+        "__id__": 853
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     "_prefab": {
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     "_opacity": 255,
     "_color": {
@@ -30668,14 +30987,14 @@
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+      "__id__": 852
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     "_enabled": true,
     "duration": 0.1,
     "zoomScale": 0.9,
     "clickEvents": [
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-        "__id__": 845
+        "__id__": 854
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     "_N$interactable": true,
@@ -30731,14 +31050,14 @@
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     "_N$disabledSprite": null,
     "_N$target": {
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+      "__id__": 852
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@@ -30750,7 +31069,7 @@
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@@ -30789,18 +31108,18 @@
     "_name": "New Label",
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+      "__id__": 787
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     "_level": 2,
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     "_prefab": {
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     "_opacity": 255,
     "_color": {
@@ -30851,7 +31170,7 @@
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@@ -30889,7 +31208,7 @@
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@@ -30916,11 +31235,11 @@
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@@ -31061,7 +31380,7 @@
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diff --git a/assets/res/prefabs/NUI/UImain2.fire b/assets/res/prefabs/NUI/UImain2.fire
index 42b6aa41..9c8d5299 100644
--- a/assets/res/prefabs/NUI/UImain2.fire
+++ b/assets/res/prefabs/NUI/UImain2.fire
@@ -41,8 +41,8 @@
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-      "x": 0.29586164468097725,
-      "y": 0.29586164468097725,
+      "x": 0.9480234059522167,
+      "y": 0.9480234059522167,
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@@ -71,17 +71,17 @@
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     "_level": 0,
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+        "__id__": 64
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     "_prefab": null,
@@ -221,6 +221,9 @@
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       }
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     "_active": true,
@@ -273,7 +276,7 @@
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-    "_name": "instruction",
+    "_name": "bg",
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@@ -297,8 +300,8 @@
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-      "height": 440
+      "width": 808,
+      "height": 387
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@@ -329,6 +332,94 @@
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     "_skewY": 0,
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+    "_id": "65n+PxsfdOgaMuBqNHby5J"
+  },
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+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 6
+    },
+    "_enabled": true,
+    "_srcBlendFactor": 770,
+    "_dstBlendFactor": 771,
+    "_spriteFrame": {
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+    "_sizeMode": 1,
+    "_fillType": 0,
+    "_fillCenter": {
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+    "_fillRange": 0,
+    "_isTrimmedMode": true,
+    "_state": 0,
+    "_atlas": null,
+    "_id": "cdUwFbWvhD366WV4/XboRD"
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+    "_name": "instruction",
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+    "_parent": {
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+    "_level": 2,
+    "_components": [
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+    "_prefab": null,
+    "_opacity": 255,
+    "_color": {
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+      "r": 255,
+      "g": 255,
+      "b": 255,
+      "a": 255
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+    "_contentSize": {
+      "__type__": "cc.Size",
+      "width": 976.45,
+      "height": 360
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+    "_anchorPoint": {
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+      "x": 0.5,
+      "y": 0.5
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+      "x": -84,
+      "y": -42,
+      "z": 0
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+      "x": 0.5,
+      "y": 0.5,
+      "z": 1
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+    "_rotationY": 0,
+    "_quat": {
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+      "y": 0,
+      "z": 0,
+      "w": 1
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+    "_skewX": 0,
+    "_skewY": 0,
+    "groupIndex": 0,
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@@ -336,12 +427,12 @@
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-    "_string": "Updated Instructions\n\nWe have added the following changes to today's patch.\n\n1. Friend System\n\n2. Party System\n\n3. Daily revenue limit for heroes and guns.\n\n4. Game system optimization",
-    "_N$string": "Updated Instructions\n\nWe have added the following changes to today's patch.\n\n1. Friend System\n\n2. Party System\n\n3. Daily revenue limit for heroes and guns.\n\n4. Game system optimization",
+    "_string": "We have added the following changes to today's patch.\n\n1. Friend System\n\n2. Party System\n\n3. Daily revenue limit for heroes and guns.\n\n4. Game system optimization",
+    "_N$string": "We have added the following changes to today's patch.\n\n1. Friend System\n\n2. Party System\n\n3. Daily revenue limit for heroes and guns.\n\n4. Game system optimization",
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@@ -364,9 +455,6 @@
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@@ -377,10 +465,13 @@
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@@ -436,14 +527,14 @@
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@@ -496,7 +587,7 @@
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@@ -524,14 +615,14 @@
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@@ -584,7 +675,7 @@
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@@ -612,14 +703,14 @@
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+      "__id__": 10
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     "_level": 3,
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@@ -672,7 +763,7 @@
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@@ -699,11 +790,11 @@
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@@ -759,14 +850,14 @@
     "_name": "Level",
     "_objFlags": 0,
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     "_level": 5,
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@@ -819,7 +910,7 @@
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@@ -844,12 +935,9 @@
     "_name": "stars",
     "_objFlags": 0,
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+      "__id__": 10
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-      },
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@@ -861,6 +949,9 @@
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+      },
+      {
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@@ -916,14 +1007,14 @@
     "_name": "star1",
     "_objFlags": 0,
     "_parent": {
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+      "__id__": 20
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     "_level": 5,
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@@ -976,7 +1067,7 @@
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+      "__id__": 21
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@@ -1004,14 +1095,14 @@
     "_name": "star2",
     "_objFlags": 0,
     "_parent": {
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+      "__id__": 20
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     "_active": true,
     "_level": 5,
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@@ -1064,7 +1155,7 @@
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@@ -1092,14 +1183,14 @@
     "_name": "star3",
     "_objFlags": 0,
     "_parent": {
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+      "__id__": 20
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     "_active": true,
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@@ -1152,7 +1243,7 @@
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+      "__id__": 25
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@@ -1180,14 +1271,14 @@
     "_name": "star4",
     "_objFlags": 0,
     "_parent": {
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+      "__id__": 20
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     "_active": true,
     "_level": 5,
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+        "__id__": 28
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@@ -1240,7 +1331,7 @@
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+      "__id__": 27
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     "_enabled": true,
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@@ -1268,14 +1359,14 @@
     "_name": "star5",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 18
+      "__id__": 20
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     "_children": [],
     "_active": true,
     "_level": 5,
     "_components": [
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+        "__id__": 30
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     "_prefab": null,
@@ -1328,7 +1419,7 @@
     "_name": "",
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+      "__id__": 29
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     "_enabled": true,
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@@ -1356,18 +1447,18 @@
     "_name": "pvp_earn",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 8
+      "__id__": 10
     },
     "_children": [
       {
-        "__id__": 30
+        "__id__": 32
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     ],
     "_active": true,
     "_level": 2,
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-        "__id__": 37
+        "__id__": 39
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     ],
     "_prefab": null,
@@ -1420,24 +1511,24 @@
     "_name": "ProgressBar_pvp",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 29
+      "__id__": 31
     },
     "_children": [
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-        "__id__": 31
+        "__id__": 33
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+        "__id__": 35
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     "_active": true,
     "_level": 3,
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+        "__id__": 37
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     "_prefab": null,
@@ -1490,14 +1581,14 @@
     "_name": "bar",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 30
+      "__id__": 32
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     "_children": [],
     "_active": true,
     "_level": 0,
     "_components": [
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+        "__id__": 34
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     "_prefab": null,
@@ -1550,7 +1641,7 @@
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+      "__id__": 33
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     "_enabled": true,
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@@ -1578,14 +1669,14 @@
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     "_objFlags": 0,
     "_parent": {
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+      "__id__": 32
     },
     "_children": [],
     "_active": true,
     "_level": 5,
     "_components": [
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+        "__id__": 36
       }
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     "_prefab": null,
@@ -1638,7 +1729,7 @@
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     "_objFlags": 0,
     "node": {
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+      "__id__": 35
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     "_enabled": true,
     "_useOriginalSize": false,
@@ -1663,7 +1754,7 @@
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     "_objFlags": 0,
     "node": {
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+      "__id__": 32
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     "_enabled": true,
     "_srcBlendFactor": 770,
@@ -1691,12 +1782,12 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
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+      "__id__": 32
     },
     "_enabled": true,
     "_N$totalLength": 200,
     "_N$barSprite": {
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+      "__id__": 34
     },
     "_N$mode": 0,
     "_N$progress": 1.3877787807814457e-16,
@@ -1708,7 +1799,7 @@
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     "_objFlags": 0,
     "node": {
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+      "__id__": 31
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     "_enabled": true,
     "_srcBlendFactor": 770,
@@ -1740,17 +1831,17 @@
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     "_children": [
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+        "__id__": 41
       },
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-        "__id__": 44
+        "__id__": 46
       }
     ],
     "_active": true,
     "_level": 1,
     "_components": [],
     "_prefab": {
-      "__id__": 61
+      "__id__": 63
     },
     "_opacity": 255,
     "_color": {
@@ -1801,24 +1892,24 @@
     "_name": "New Sprite(Splash)",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 38
+      "__id__": 40
     },
     "_children": [],
     "_active": true,
     "_level": 2,
     "_components": [
-      {
-        "__id__": 40
-      },
-      {
-        "__id__": 41
-      },
       {
         "__id__": 42
+      },
+      {
+        "__id__": 43
+      },
+      {
+        "__id__": 44
       }
     ],
     "_prefab": {
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+      "__id__": 45
     },
     "_opacity": 180,
     "_color": {
@@ -1869,7 +1960,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
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+      "__id__": 41
     },
     "_enabled": true,
     "_srcBlendFactor": 770,
@@ -1897,7 +1988,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 39
+      "__id__": 41
     },
     "_enabled": true,
     "alignMode": 1,
@@ -1924,7 +2015,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
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+      "__id__": 41
     },
     "_enabled": true,
     "_id": "4eHJW2bL1AmoRIL/Xz7mxf"
@@ -1932,7 +2023,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -1945,28 +2036,28 @@
     "_name": "uibg",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 38
+      "__id__": 40
     },
     "_children": [
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-        "__id__": 45
+        "__id__": 47
       },
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-        "__id__": 50
+        "__id__": 52
       },
       {
-        "__id__": 53
+        "__id__": 55
       }
     ],
     "_active": true,
     "_level": 3,
     "_components": [
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-        "__id__": 59
+        "__id__": 61
       }
     ],
     "_prefab": {
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+      "__id__": 62
     },
     "_opacity": 255,
     "_color": {
@@ -2017,18 +2108,18 @@
     "_name": "top",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 44
+      "__id__": 46
     },
     "_children": [
       {
-        "__id__": 46
+        "__id__": 48
       }
     ],
     "_active": true,
     "_level": 4,
     "_components": [],
     "_prefab": {
-      "__id__": 49
+      "__id__": 51
     },
     "_opacity": 255,
     "_color": {
@@ -2079,18 +2170,18 @@
     "_name": "title",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 45
+      "__id__": 47
     },
     "_children": [],
     "_active": true,
     "_level": 3,
     "_components": [
       {
-        "__id__": 47
+        "__id__": 49
       }
     ],
     "_prefab": {
-      "__id__": 48
+      "__id__": 50
     },
     "_opacity": 255,
     "_color": {
@@ -2141,7 +2232,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 46
+      "__id__": 48
     },
     "_enabled": true,
     "_useOriginalSize": false,
@@ -2164,7 +2255,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2175,7 +2266,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2188,18 +2279,18 @@
     "_name": "txt",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 44
+      "__id__": 46
     },
     "_children": [],
     "_active": true,
     "_level": 4,
     "_components": [
       {
-        "__id__": 51
+        "__id__": 53
       }
     ],
     "_prefab": {
-      "__id__": 52
+      "__id__": 54
     },
     "_opacity": 255,
     "_color": {
@@ -2250,7 +2341,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 50
+      "__id__": 52
     },
     "_enabled": true,
     "_useOriginalSize": true,
@@ -2273,7 +2364,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2286,22 +2377,22 @@
     "_name": "btnConfirm",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 44
+      "__id__": 46
     },
     "_children": [
       {
-        "__id__": 54
+        "__id__": 56
       }
     ],
     "_active": true,
     "_level": 4,
     "_components": [
       {
-        "__id__": 57
+        "__id__": 59
       }
     ],
     "_prefab": {
-      "__id__": 58
+      "__id__": 60
     },
     "_opacity": 255,
     "_color": {
@@ -2352,18 +2443,18 @@
     "_name": "New Label",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 53
+      "__id__": 55
     },
     "_children": [],
     "_active": true,
     "_level": 5,
     "_components": [
       {
-        "__id__": 55
+        "__id__": 57
       }
     ],
     "_prefab": {
-      "__id__": 56
+      "__id__": 58
     },
     "_opacity": 255,
     "_color": {
@@ -2414,7 +2505,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 54
+      "__id__": 56
     },
     "_enabled": true,
     "_useOriginalSize": false,
@@ -2439,7 +2530,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2452,7 +2543,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 53
+      "__id__": 55
     },
     "_enabled": true,
     "_srcBlendFactor": 770,
@@ -2478,7 +2569,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2491,7 +2582,7 @@
     "_name": "",
     "_objFlags": 0,
     "node": {
-      "__id__": 44
+      "__id__": 46
     },
     "_enabled": true,
     "_srcBlendFactor": 770,
@@ -2517,7 +2608,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
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+      "__id__": 40
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     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
@@ -2528,7 +2619,7 @@
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 38
+      "__id__": 40
     },
     "asset": {
       "__uuid__": "71e15546-0974-4e60-a07b-4e47f1d73f47"
diff --git a/assets/res/ui/ui_main/bg_update.png b/assets/res/ui/ui_main/bg_update.png
new file mode 100644
index 00000000..e91bb2ba
Binary files /dev/null and b/assets/res/ui/ui_main/bg_update.png differ
diff --git a/assets/res/ui/ui_main/bg_update.png.meta b/assets/res/ui/ui_main/bg_update.png.meta
new file mode 100644
index 00000000..1405c81f
--- /dev/null
+++ b/assets/res/ui/ui_main/bg_update.png.meta
@@ -0,0 +1,31 @@
+{
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+  "uuid": "cbc468f7-e1c9-464f-ac23-c0e8bcafa194",
+  "type": "sprite",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "subMetas": {
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+      "uuid": "7e89d9dc-e257-4646-be83-ae65fe9ab5af",
+      "rawTextureUuid": "cbc468f7-e1c9-464f-ac23-c0e8bcafa194",
+      "trimType": "auto",
+      "trimThreshold": 1,
+      "rotated": false,
+      "offsetX": -6,
+      "offsetY": 0.5,
+      "trimX": 0,
+      "trimY": 0,
+      "width": 808,
+      "height": 387,
+      "rawWidth": 820,
+      "rawHeight": 388,
+      "borderTop": 0,
+      "borderBottom": 0,
+      "borderLeft": 0,
+      "borderRight": 0,
+      "subMetas": {}
+    }
+  }
+}
\ No newline at end of file
diff --git a/assets/res/ui/ui_main/btn_main_update.png b/assets/res/ui/ui_main/btn_main_update.png
new file mode 100644
index 00000000..b037fad4
Binary files /dev/null and b/assets/res/ui/ui_main/btn_main_update.png differ
diff --git a/assets/res/ui/ui_main/btn_main_update.png.meta b/assets/res/ui/ui_main/btn_main_update.png.meta
new file mode 100644
index 00000000..ac1cee1d
--- /dev/null
+++ b/assets/res/ui/ui_main/btn_main_update.png.meta
@@ -0,0 +1,31 @@
+{
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+  "uuid": "923d440a-15f3-496c-8e43-bcd2d18f72ec",
+  "type": "sprite",
+  "wrapMode": "clamp",
+  "filterMode": "bilinear",
+  "premultiplyAlpha": false,
+  "subMetas": {
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+      "ver": "1.0.4",
+      "uuid": "98e29038-a0a9-4625-9ef7-a165966e2ed8",
+      "rawTextureUuid": "923d440a-15f3-496c-8e43-bcd2d18f72ec",
+      "trimType": "auto",
+      "trimThreshold": 1,
+      "rotated": false,
+      "offsetX": 0,
+      "offsetY": 0.5,
+      "trimX": 0,
+      "trimY": 0,
+      "width": 95,
+      "height": 79,
+      "rawWidth": 95,
+      "rawHeight": 80,
+      "borderTop": 0,
+      "borderBottom": 0,
+      "borderLeft": 0,
+      "borderRight": 0,
+      "subMetas": {}
+    }
+  }
+}
\ No newline at end of file