diff --git a/.gitmodules b/.gitmodules
index 1e19f1ef..dade3a79 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,9 +10,6 @@
 [submodule "extensions/behaviourTree-ai"]
 	path = extensions/behaviourTree-ai
 	url = https://github.com/esengine/BehaviourTree-ai
-[submodule "engine_support/egret"]
-	path = engine_support/egret
-	url = https://github.com/esengine/egret-ecs-ext.git
 [submodule "extensions/ecs-tween"]
 	path = extensions/ecs-tween
 	url = https://github.com/esengine/ecs-tween
diff --git a/demo/egret_demo b/demo/egret_demo
index dc0b808b..7fd94600 160000
--- a/demo/egret_demo
+++ b/demo/egret_demo
@@ -1 +1 @@
-Subproject commit dc0b808b401b255707ce0f4d3bac687b36264b6b
+Subproject commit 7fd94600535df71004fd24193f51fc9b38616673
diff --git a/demo/laya_demo b/demo/laya_demo
index daa14bd5..e4273ff0 160000
--- a/demo/laya_demo
+++ b/demo/laya_demo
@@ -1 +1 @@
-Subproject commit daa14bd5575c0c5194a2ecbeb40b5598aa75488f
+Subproject commit e4273ff0f50601ebba1fa6345161a358ed074d00
diff --git a/engine_support/egret b/engine_support/egret
deleted file mode 160000
index 05ab4bfb..00000000
--- a/engine_support/egret
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 05ab4bfb0d3d3f0ff7a3d9e5c507c184da03873f
diff --git a/extensions/behaviourTree-ai b/extensions/behaviourTree-ai
index 607f6c71..fb1f4e29 160000
--- a/extensions/behaviourTree-ai
+++ b/extensions/behaviourTree-ai
@@ -1 +1 @@
-Subproject commit 607f6c71310d4e68000804912f23076137c40cf8
+Subproject commit fb1f4e2903e96287c1bcc3d8b8c1d79ab571e982
diff --git a/source/bin/framework.d.ts b/source/bin/framework.d.ts
index b5766ce9..bd70e6f5 100644
--- a/source/bin/framework.d.ts
+++ b/source/bin/framework.d.ts
@@ -3925,10 +3925,10 @@ declare class RandomUtils {
      */
     static randrange(start: number, stop: number, step?: number): number;
     /**
-     * 返回a 到 b直间的随机整数，包括 a 和 b
+     * 返回a 到 b之间的随机整数，包括 a 和 b
      * @param a
      * @param b
-     * @return [a, b] 直接的随机整数
+     * @return [a, b] 之间的随机整数
      *
      */
     static randint(a: number, b: number): number;
diff --git a/source/bin/framework.js b/source/bin/framework.js
index 81f3d67b..f4bd6517 100644
--- a/source/bin/framework.js
+++ b/source/bin/framework.js
@@ -10180,10 +10180,10 @@ var RandomUtils = /** @class */ (function () {
         return Math.floor(this.random() * n) * step + Math.min(start, stop);
     };
     /**
-     * 返回a 到 b直间的随机整数，包括 a 和 b
+     * 返回a 到 b之间的随机整数，包括 a 和 b
      * @param a
      * @param b
-     * @return [a, b] 直接的随机整数
+     * @return [a, b] 之间的随机整数
      *
      */
     RandomUtils.randint = function (a, b) {
diff --git a/source/src/Utils/Extensions/RandomUtils.ts b/source/src/Utils/Extensions/RandomUtils.ts
index 39d4116d..c6a9ffc2 100644
--- a/source/src/Utils/Extensions/RandomUtils.ts
+++ b/source/src/Utils/Extensions/RandomUtils.ts
@@ -26,10 +26,10 @@ class RandomUtils {
     }
 
     /**
-     * 返回a 到 b直间的随机整数，包括 a 和 b
+     * 返回a 到 b之间的随机整数，包括 a 和 b
      * @param a
      * @param b
-     * @return [a, b] 直接的随机整数
+     * @return [a, b] 之间的随机整数
      *
      */
     public static randint(a: number, b: number): number {