diff --git a/.gitignore b/.gitignore
index 40f5742..ea1bee5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,5 +33,4 @@ sysinfo.txt
 
 
 # Packages
-*.unitypackage
 .vs
diff --git a/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage b/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage
new file mode 100644
index 0000000..339c96c
Binary files /dev/null and b/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage differ
diff --git a/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage.meta b/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage.meta
new file mode 100644
index 0000000..e22fedd
--- /dev/null
+++ b/Assets/Coffee/UIExtensions/UIParticle/UIParticle_Demo.unitypackage.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 6a4ce081d093247179eacb67ef049408
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef b/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef
new file mode 100644
index 0000000..3206c11
--- /dev/null
+++ b/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef
@@ -0,0 +1,10 @@
+{
+    "name": "Coffee.UIParticle.Demo",
+    "references": [
+        "Coffee.UIParticle"
+    ],
+    "optionalUnityReferences": [],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false
+}
\ No newline at end of file
diff --git a/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef.meta b/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef.meta
new file mode 100644
index 0000000..d238ec0
--- /dev/null
+++ b/Assets/UIParticle_Demo/Coffee.UIParticle.Demo.asmdef.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 7a2546af409064ee88073040a7454090
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: