diff --git a/Demo/WX_Video/.vsconfig b/Demo/WX_Video/.vsconfig
new file mode 100644
index 0000000000000000000000000000000000000000..d70cd98b77b4984d6943f1ee8d64b111f4847b24
--- /dev/null
+++ b/Demo/WX_Video/.vsconfig
@@ -0,0 +1,6 @@
+{
+  "version": "1.0",
+  "components": [
+    "Microsoft.VisualStudio.Workload.ManagedGame"
+  ]
+}
diff --git a/Demo/WX_Video/Assets/PlayVideo.cs b/Demo/WX_Video/Assets/PlayVideo.cs
new file mode 100644
index 0000000000000000000000000000000000000000..e9154667348a3738d4abdeb52a74d92cd4db58fe
--- /dev/null
+++ b/Demo/WX_Video/Assets/PlayVideo.cs
@@ -0,0 +1,52 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using WeChatWASM;
+
+public class PlayVideo : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        var btn = this.GetComponent<Button>();
+        btn.onClick.AddListener(OnClick);
+
+        this.AutoPlayVideo();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    private void AutoPlayVideo()
+    {
+        WX.InitSDK((int code) => {
+            var systemInfo = WX.GetSystemInfoSync();
+            var video = WX.CreateVideo(new WXCreateVideoParam() {
+                src = "http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400",
+                controls = false,
+                showProgress = false,
+                showProgressInControlMode = false,
+                autoplay = true,
+                showCenterPlayBtn = false,
+                underGameView = true,
+                width = ((int)systemInfo.screenWidth),
+                height = ((int)systemInfo.screenHeight),
+            });
+            video.OnPlay(() => {
+                Debug.Log("video on play");
+            });
+            video.OnError(() => {
+                Debug.Log("video on error");
+            });
+        });
+    }
+
+    private void OnClick()
+    {
+        Debug.Log("click");
+    }
+}
diff --git a/Demo/WX_Video/Assets/PlayVideo.cs.meta b/Demo/WX_Video/Assets/PlayVideo.cs.meta
new file mode 100644
index 0000000000000000000000000000000000000000..a623b92feeb20b62508dda7ab4d4ed9c8ba6f774
--- /dev/null
+++ b/Demo/WX_Video/Assets/PlayVideo.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2301010b6bfe94c6db0f4ddec3009119
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib b/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib
new file mode 100644
index 0000000000000000000000000000000000000000..7b40d134eb35b8ebf0593efaff18e6861a0363b3
--- /dev/null
+++ b/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib
@@ -0,0 +1,14 @@
+var LibraryGLClear = {
+    glClear: function(mask)
+    {
+        if (mask == 0x00004000)
+        {
+            var v = GLctx.getParameter(GLctx.COLOR_WRITEMASK);
+            if (!v[0] && !v[1] && !v[2] && v[3])
+                // We are trying to clear alpha only -- skip.
+                return;
+        }
+        GLctx.clear(mask);
+    }
+};
+mergeInto(LibraryManager.library, LibraryGLClear);
\ No newline at end of file
diff --git a/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib.meta b/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib.meta
new file mode 100644
index 0000000000000000000000000000000000000000..770d98de7465183e88d7d9de7d4ccf5e287cf476
--- /dev/null
+++ b/Demo/WX_Video/Assets/Plugins/TransparentBackground.jslib.meta
@@ -0,0 +1,32 @@
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+guid: 829d986e3b8a84f47929db4ce09e9ae0
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+    second:
+      enabled: 1
+      settings: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Demo/WX_Video/Assets/Scenes.meta b/Demo/WX_Video/Assets/Scenes.meta
new file mode 100644
index 0000000000000000000000000000000000000000..91bea01d4dbe611f1d610a06cc42cc0f06219f7d
--- /dev/null
+++ b/Demo/WX_Video/Assets/Scenes.meta
@@ -0,0 +1,8 @@
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diff --git a/Demo/WX_Video/Assets/Scenes/SampleScene.unity b/Demo/WX_Video/Assets/Scenes/SampleScene.unity
new file mode 100644
index 0000000000000000000000000000000000000000..2f63ace32ee5a0a470077b7926cc1307147e5746
--- /dev/null
+++ b/Demo/WX_Video/Assets/Scenes/SampleScene.unity
@@ -0,0 +1,684 @@
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