diff --git a/d.ts/antos.d.ts b/d.ts/antos.d.ts
index 962442e..8c3a58c 100644
--- a/d.ts/antos.d.ts
+++ b/d.ts/antos.d.ts
@@ -1140,7 +1140,7 @@ declare namespace OS {
          * @export
          * @param {string} app
          */
-        function unloadApp(app: string): void;
+        function unloadApp(app: string, save?: boolean): void;
         /**
          * Create a service process.
          *
diff --git a/src/core/gui.ts b/src/core/gui.ts
index 4d9fc45..6bfc8a7 100644
--- a/src/core/gui.ts
+++ b/src/core/gui.ts
@@ -400,11 +400,43 @@ namespace OS {
          * @export
          * @param {string} app
          */
-        export function unloadApp(app: string): void {
+        export function unloadApp(app: string, save?: boolean): void {
             PM.killAll(app, true);
             if (application[app] && application[app].style) {
                 $(application[app].style).remove();
             }
+            if(save)
+            {
+                // remove pinned application if any
+                if(OS.setting.system.startup.pinned)
+                    OS.setting.system.startup.pinned = OS.setting.system.startup.pinned.filter((e) => e != app);
+                // remove service if it is the service
+                if(OS.setting.system.startup.services)
+                    OS.setting.system.startup.services = OS.setting.system.startup.services.filter((e) => e != app);
+                // remove startup app if any
+                if(OS.setting.system.startup.apps)
+                    OS.setting.system.startup.apps = OS.setting.system.startup.apps.filter((e) => e != app);
+                // refresh pinned list
+                announcer.ostrigger("app-pinned", "app-pinned", undefined);
+                // remove application setting
+                if(OS.setting.applications[app])
+                    delete OS.setting.applications[app];
+                OS.API.setting()
+                    .then((d) =>{
+                        if(d.error)
+                        {
+                            announcer.oserror(
+                                __("Error when save system setting {0}:{1}", app, d.error),
+                                undefined);
+                        }
+                    })
+                    .catch((e)=> {
+                        announcer.oserror(
+                                __("Error when save system setting {0}: {1}", app, e.toString()),
+                                e);
+                    });
+            }
+            
             delete application[app];
         }
 
diff --git a/src/packages/MarketPlace/README.md b/src/packages/MarketPlace/README.md
index 5aa89d8..7888bf3 100644
--- a/src/packages/MarketPlace/README.md
+++ b/src/packages/MarketPlace/README.md
@@ -5,4 +5,5 @@ This application is icluded in the AntOS delivery
 and cannot be removed/uinstalled by regular user
 
 ## Change logs
+- 0.2.6-b: improve install process
 - v0.2.5-b: add README.md
\ No newline at end of file
diff --git a/src/packages/MarketPlace/main.ts b/src/packages/MarketPlace/main.ts
index 12b03da..ef33b89 100644
--- a/src/packages/MarketPlace/main.ts
+++ b/src/packages/MarketPlace/main.ts
@@ -684,6 +684,10 @@ namespace OS {
                             v.iconclass =
                                 "fa fa-adn";
                         }
+                        if(v.icon)
+                        {
+                            v.icon = `${pth}/${v.icon}`;
+                        }
                         v.path = pth;
                         this.systemsetting.system.packages[
                             v.pkgname ? v.pkgname : v.app
@@ -727,7 +731,7 @@ namespace OS {
                             }
                         }
                         delete this.systemsetting.system.packages[meta.pkgname];
-                        this._gui.unloadApp(meta.pkgname);
+                        this._gui.unloadApp(meta.pkgname, true);
                         if (meta.download) {
                             this.appDetail(meta);
                         }
diff --git a/src/packages/MarketPlace/package.json b/src/packages/MarketPlace/package.json
index e94e6a8..07c5887 100644
--- a/src/packages/MarketPlace/package.json
+++ b/src/packages/MarketPlace/package.json
@@ -7,7 +7,7 @@
         "author": "Xuan Sang LE",
         "email": "xsang.le@gmail.com"
     },
-    "version":"0.2.5-a",
+    "version":"0.2.6-b",
     "category":"System",
     "iconclass":"fa  fa-shopping-bag",
     "mimes":["none"],
diff --git a/src/packages/Setting/AppAndServiceHandle.ts b/src/packages/Setting/AppAndServiceHandle.ts
index b0b9450..ed184f6 100644
--- a/src/packages/Setting/AppAndServiceHandle.ts
+++ b/src/packages/Setting/AppAndServiceHandle.ts
@@ -101,6 +101,7 @@ namespace OS {
                                         text: v.name,
                                         app: k,
                                         iconclass: v.iconclass,
+                                        icon: v.icon
                                     });
                                 }
                             }
diff --git a/src/packages/Setting/README.md b/src/packages/Setting/README.md
index df300c4..04a1632 100644
--- a/src/packages/Setting/README.md
+++ b/src/packages/Setting/README.md
@@ -10,4 +10,5 @@ In case of system anormaly after the modification, the system settings can be re
 by simply removing the setting file
 
 ## Change logs
+-v0.1.2-b: minor bug fix on UI
 -v0.1.2-b: add README
diff --git a/src/packages/Setting/StartupHandle.ts b/src/packages/Setting/StartupHandle.ts
index e976240..b43cd39 100644
--- a/src/packages/Setting/StartupHandle.ts
+++ b/src/packages/Setting/StartupHandle.ts
@@ -102,6 +102,7 @@ namespace OS {
                                         text: v.name,
                                         app: k,
                                         iconclass: v.iconclass,
+                                        icon: v.icon
                                     });
                                 }
                             }
diff --git a/src/packages/Setting/package.json b/src/packages/Setting/package.json
index 4fb8634..07f89c8 100644
--- a/src/packages/Setting/package.json
+++ b/src/packages/Setting/package.json
@@ -6,7 +6,7 @@
         "author": "Xuan Sang LE",
         "email": "xsang.le@gmail.com"
     },
-    "version":"0.1.2-b",
+    "version":"0.1.3-b",
     "category":"System",
     "iconclass":"fa fa-wrench",
     "mimes":["none"]