diff --git a/Assets/DissolveEffectForUGUI/Demo/Dissolve.controller b/Assets/DissolveEffectForUGUI/Demo/Dissolve.controller
index ee740f7..9b9fa6d 100644
--- a/Assets/DissolveEffectForUGUI/Demo/Dissolve.controller
+++ b/Assets/DissolveEffectForUGUI/Demo/Dissolve.controller
@@ -34,7 +34,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: A
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -56,7 +56,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: B
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -78,7 +78,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: C
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -100,7 +100,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: D
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -176,7 +176,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: A
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -198,7 +198,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: B
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -220,7 +220,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: C
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
@@ -242,7 +242,7 @@ AnimationClip:
       m_PreInfinity: 2
       m_PostInfinity: 2
       m_RotationOrder: 4
-    attribute: m_Location
+    attribute: m_DissolveFactor
     path: D
     classID: 114
     script: {fileID: 11500000, guid: 7f9a4349581d64dcabe67c494ee1d531, type: 3}
diff --git a/Assets/DissolveEffectForUGUI/UIDissolve.cs b/Assets/DissolveEffectForUGUI/UIDissolve.cs
index 2bc1199..ef47a8b 100644
--- a/Assets/DissolveEffectForUGUI/UIDissolve.cs
+++ b/Assets/DissolveEffectForUGUI/UIDissolve.cs
@@ -30,7 +30,7 @@ public class UIDissolve : BaseMeshEffect
 		//################################
 		// Serialize Members.
 		//################################
-		[SerializeField] [Range(0, 1)] float m_Location = 0;
+		[SerializeField] [Range(0, 1)] float m_DissolveFactor = 0;
 		[SerializeField] Material m_EffectMaterial;
 
 
@@ -45,7 +45,7 @@ public class UIDissolve : BaseMeshEffect
 		/// <summary>
 		/// Location for effect.
 		/// </summary>
-		public float location { get { return m_Location; } set { m_Location = Mathf.Clamp(value, 0, 1); _SetDirty(); } }
+		public float dissolveFactor { get { return m_DissolveFactor; } set { m_DissolveFactor = Mathf.Clamp(value, 0, 1); _SetDirty(); } }
 
 		/// <summary>
 		/// Effect material.
@@ -114,9 +114,14 @@ public static Material GetMaterial(string shaderName)
 		/// </summary>
 		public override void ModifyMesh(VertexHelper vh)
 		{
+			if (!IsActive() || dissolveFactor <= 0)
+				return;
 
-			if (!IsActive())
+			// Skip process.
+			if (1 <= dissolveFactor) {
+				vh.Clear ();
 				return;
+			}
 
 			// rect.
 			Rect rect = graphic.rectTransform.rect;
@@ -129,7 +134,7 @@ public override void ModifyMesh(VertexHelper vh)
 
 				var x = Mathf.Clamp01 (vertex.position.x / rect.width + 0.5f);
 				var y = Mathf.Clamp01 (vertex.position.y / rect.height + 0.5f);
-				vertex.uv1 = new Vector2 (_PackToFloat (x, y, location), 0);
+				vertex.uv1 = new Vector2 (_PackToFloat (x, y, dissolveFactor), 0);
 
 				vh.SetUIVertex(vertex, i);
 			}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffc75f1..e30ceda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 # Changelog
 
-## [v0.2.0](https://github.com/mob-sakai/DissolveEffectForUGUI/tree/v0.2.0) (2018-04-24)
+## [v0.3.0](https://github.com/mob-sakai/DissolveEffectForUGUI/tree/v0.3.0) (2018-04-24)
+
+[Full Changelog](https://github.com/mob-sakai/DissolveEffectForUGUI/compare/v0.2.0...v0.3.0)
+
+**Implemented enhancements:**
+
+- Feature: Skip process when dissolve factor equal 1 [\#5](https://github.com/mob-sakai/DissolveEffectForUGUI/issues/5)
+- Feature: Skip process when dissolve factor equal 0 [\#4](https://github.com/mob-sakai/DissolveEffectForUGUI/issues/4)
+
+## [v0.2.0](https://github.com/mob-sakai/DissolveEffectForUGUI/tree/v0.2.0) (2018-04-23)
 
 [Full Changelog](https://github.com/mob-sakai/DissolveEffectForUGUI/compare/v0.1.0...v0.2.0)
 
diff --git a/README.md b/README.md
index a34a463..2226f3c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,8 @@ DissolveEffectForUGUI
 ### NOTE: This project *will* be merged to [UIEffect](https://github.com/mob-sakai/UIEffect).
 
 A dissolve effect for uGUI, without material instancing.
-![image](https://user-images.githubusercontent.com/12690315/39131615-dccdc2bc-474a-11e8-84b2-0513b64168a7.png)
+
+![image](https://user-images.githubusercontent.com/12690315/39158165-6f8d68fc-4799-11e8-837f-4b74943d3f36.png)
 
 [![](https://img.shields.io/github/release/mob-sakai/DissolveEffectForUGUI.svg?label=latest%20version)](https://github.com/mob-sakai/DissolveEffectForUGUI/release)
 [![](https://img.shields.io/github/release-date/mob-sakai/DissolveEffectForUGUI.svg)](https://github.com/mob-sakai/DissolveEffectForUGUI/releases)
@@ -22,13 +23,17 @@ A dissolve effect for uGUI, without material instancing.
 <br><br><br><br>
 ## Description
 
+![image](https://user-images.githubusercontent.com/12690315/39131615-dccdc2bc-474a-11e8-84b2-0513b64168a7.png)
+
 DissolveEffectForUGUI applies _dissolve-effect_ to uGUI element (Image, RawImage, Text, etc...) **WITHOUT material instancing**.  
 This will suppress extra draw calls and improve performance.
 
-* Noise pattern image
-* Edge width
-* Outer/inner edge color
-* Outer/inner edge softness
+* Parameters
+    * Dissolve factor
+    * Noise pattern image (in material)
+    * Edge width (in material)
+    * Outer/inner edge color (in material)
+    * Outer/inner edge softness (in material)
 
 ![image](https://user-images.githubusercontent.com/12690315/39143377-b9e632c0-4768-11e8-9d26-717304df41fb.png)
 
@@ -38,7 +43,7 @@ This will suppress extra draw calls and improve performance.
 ## Demo
 
 * ![demo](https://user-images.githubusercontent.com/12690315/39131616-dcf7ea60-474a-11e8-8e20-f9e5bd8b3f5c.gif)
-    * Only 1 draw call!
+    * Just 1 draw call!
 
 
 
diff --git a/package.json b/package.json
index b884c4f..adafef1 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,11 @@
 {
   "name": "DissolveEffectForUGUI",
-  "version": "0.1.0",
+  "version": "0.3.0",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mob-sakai/DissolveEffectForUGUI.git"
   },
   "src": "Assets/DissolveEffectForUGUI",
+  "unity": "/Applications/Unity5.5.0p4/Unity5.5.0p4.app/Contents/MacOS/Unity",
   "license": "MIT"
 }
diff --git a/release.sh b/release.sh
index 99a1507..c72b21e 100755
--- a/release.sh
+++ b/release.sh
@@ -1,5 +1,8 @@
 #!/bin/bash -e
 
+# NOTE: Set an environment variable `CHANGELOG_GITHUB_TOKEN` by running the following command at the prompt, or by adding it to your shell profile (e.g., ~/.bash_profile or ~/.zshrc):
+#   export CHANGELOG_GITHUB_TOKEN="«your-40-digit-github-token»"
+
 # Release the project with the following steps:
 #   1. Update the release version in package.json.
 #   2. Update "CHANGELOG.md" using "github_changelog_generator-1.15.0.pre.rc".
@@ -7,17 +10,16 @@
 #   4. Merge into master branch.
 #   5. Export unitypackage.
 #   6. Release using "gh-release-3.2.0". (Upload unitypackage)
-UNITY_PATH=/Applications/Unity5.5.0p4/Unity5.5.0p4.app/Contents/MacOS/Unity
 
 
-# input version
+# input release version
 PACKAGE_NAME=`node -pe 'require("./package.json").name'`
 echo Github Release: $PACKAGE_NAME
 read -p "[? release version (for example: 1.0.0): " RELEASE_VERSION
 [ -z "$RELEASE_VERSION" ] && exit
 
 
-# update version
+# update version in package.json
 git checkout -B release develop
 sed -i -e "s/\"version\": \(.*\)/\"version\": \"${RELEASE_VERSION}\",/g" package.json
 
@@ -36,6 +38,12 @@ read -p "[? continue? (y/N):" yn
 case "$yn" in [yY]*) ;; *) exit ;; esac
 
 
+# export unitypackage
+UNITY_EDITOR=`node -pe 'require("./package.json").unity'`
+PACKAGE_SRC=`node -pe 'require("./package.json").src'`
+"$UNITY_EDITOR" -quit -batchmode -projectPath "`pwd`" -exportpackage "$PACKAGE_SRC" "$PACKAGE_NAME.unitypackage"
+
+
 # commit files
 git add CHANGELOG.md -f
 git add package.json -f
@@ -49,10 +57,8 @@ git branch -D release
 git push origin master
 
 
-# export .unitypackage and release on Github
-PACKAGE_SRC=`node -pe 'require("./package.json").src'`
-$UNITY_PATH -quit -batchmode -projectPath "`pwd`" -exportpackage $PACKAGE_SRC $PACKAGE_NAME.unitypackage
-gh-release  --draft --assets $PACKAGE_NAME.unitypackage
+# upload unitypackage and release on Github
+gh-release  --draft --assets "$PACKAGE_NAME.unitypackage"
 
 
 echo "\n\n$PACKAGE_NAME v$RELEASE_VERSION has been successfully released!\n"