diff --git a/lib/main.js b/lib/main.js
index cf8d189..b222a6b 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -14,6 +14,10 @@ export default {
       'structure-view:show': () => this.switch('on'),
       'structure-view:hide': () => this.switch('off'),
     }));
+
+    if (atom.config.get('structure-view.ShowOnStartup')) {
+      this.switch('on');
+    }
   },
 
   deactivate() {
@@ -26,7 +30,7 @@ export default {
   switch (stat) {
     let editors = atom.workspace.getTextEditors();
     if (editors.length < 1 ||
-      (editors.length === 1 && !editors[0].getPath())) return Util.alert('WARN', 'No file is opened!');
+      (editors.length === 1 && !editors[0].getPath())) return;
 
     if (!this.structureView) this.structureView = new StructureView();
 
diff --git a/lib/util.js b/lib/util.js
index a672db1..1a10a19 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -43,17 +43,5 @@ export default {
 
   notify(title, msg) {
     atom.notifications.addInfo(title, { detail: msg, dismissable: true });
-  },
-
-  alert(title, msg) {
-    atom.confirm({
-      message: title,
-      detailedMessage: msg,
-      buttons: {
-        Close: function() {
-          return;
-        }
-      }
-    });
   }
 };
diff --git a/package.json b/package.json
index d4d1c35..32de5df 100644
--- a/package.json
+++ b/package.json
@@ -20,14 +20,13 @@
     "lodash": "^4.17.10",
     "vue": "1.0.27-csp"
   },
-  "activationCommands": {
-    "atom-workspace": [
-      "structure-view:toggle",
-      "structure-view:show",
-      "structure-view:hide"
-    ]
-  },
   "configSchema": {
+    "ShowOnStartup": {
+      "title": "Show On Startup",
+      "description": "Show the Stucture View on startup.",
+      "type": "boolean",
+      "default": false
+    },
     "ShowVariables": {
       "title": "Show Variables",
       "description": "If you don't need variables in the structure of file, just uncheck this config.",