diff --git a/About/README.md b/About/README.md
index 8a66ea6..5b13e7d 100644
--- a/About/README.md
+++ b/About/README.md
@@ -4,6 +4,9 @@ This is an example project, generated by AntOS Development Kit
 It is used to show the change logs of the current AntOS version
 
 ## Change logs
+### v0.1.1-b
+* add missing css file
+
 ### v0.1.0-b
 * Beta state, read README file from the current OS
 
diff --git a/About/build.json b/About/build.json
index 9a333b7..477146d 100644
--- a/About/build.json
+++ b/About/build.json
@@ -50,7 +50,8 @@
                         "src": [
                             "assets/scheme.html",
                             "package.json",
-                            "README.md"
+                            "README.md",
+                            "css/main.css"
                         ],
                         "dest": "build/debug"
                     }
diff --git a/About/build/debug/README.md b/About/build/debug/README.md
index 8a66ea6..5b13e7d 100644
--- a/About/build/debug/README.md
+++ b/About/build/debug/README.md
@@ -4,6 +4,9 @@ This is an example project, generated by AntOS Development Kit
 It is used to show the change logs of the current AntOS version
 
 ## Change logs
+### v0.1.1-b
+* add missing css file
+
 ### v0.1.0-b
 * Beta state, read README file from the current OS
 
diff --git a/About/build/debug/main.css b/About/build/debug/main.css
new file mode 100644
index 0000000..d9c2682
--- /dev/null
+++ b/About/build/debug/main.css
@@ -0,0 +1,20 @@
+afx-app-window[data-id = "About"] a:link,
+afx-app-window[data-id = "About"] a:visited,
+afx-app-window[data-id = "About"] a:hover
+{
+    color:#df3154;
+}
+afx-app-window[data-id = "About"] afx-hbox[data-id="wrapper"]
+{
+    overflow-x: hidden;
+    overflow-y:auto;
+}
+afx-app-window[data-id = "About"] div[data-id="container"]
+{
+    text-align: justify;
+}
+
+afx-app-window[data-id = "About"] img
+{
+    max-width: 100%;
+}
\ No newline at end of file
diff --git a/About/build/debug/package.json b/About/build/debug/package.json
index e87fe32..93801f6 100644
--- a/About/build/debug/package.json
+++ b/About/build/debug/package.json
@@ -1,12 +1,13 @@
 {
     "app":"About",
+    "pkgname":"About",
     "name":"About AntOS",
     "description":"AntOS about",
     "info":{
         "author": "Xuan Sang LE",
         "email": "xsang.le@gmail.com"
     },
-    "version":"0.1.0-b",
+    "version":"0.1.1-b",
     "category":"Utility",
     "iconclass":"fa fa-question-circle",
     "mimes":["none"],
diff --git a/About/build/release/About.zip b/About/build/release/About.zip
index 39e27b1..a7e2a54 100644
Binary files a/About/build/release/About.zip and b/About/build/release/About.zip differ
diff --git a/About/package.json b/About/package.json
index e87fe32..93801f6 100644
--- a/About/package.json
+++ b/About/package.json
@@ -1,12 +1,13 @@
 {
     "app":"About",
+    "pkgname":"About",
     "name":"About AntOS",
     "description":"AntOS about",
     "info":{
         "author": "Xuan Sang LE",
         "email": "xsang.le@gmail.com"
     },
-    "version":"0.1.0-b",
+    "version":"0.1.1-b",
     "category":"Utility",
     "iconclass":"fa fa-question-circle",
     "mimes":["none"],
diff --git a/packages.json b/packages.json
index 3ac112d..dc1928e 100644
--- a/packages.json
+++ b/packages.json
@@ -5,7 +5,7 @@
 		"description": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/About/README.md",
 		"category": "Utility",
 		"author": "Xuan Sang LE",
-		"version": "0.1.0-b",
+		"version": "0.1.1-b",
 		"dependencies": [],
 		"download": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/About/build/release/About.zip"
 	},