diff --git a/luci-app-ruantiblock/htdocs/luci-static/resources/view/ruantiblock/tools.js b/luci-app-ruantiblock/htdocs/luci-static/resources/view/ruantiblock/tools.js
index c1f99b5..5eeb5b0 100644
--- a/luci-app-ruantiblock/htdocs/luci-static/resources/view/ruantiblock/tools.js
+++ b/luci-app-ruantiblock/htdocs/luci-static/resources/view/ruantiblock/tools.js
@@ -202,7 +202,7 @@ return baseclass.extend({
 		},
 
 		load: function() {
-			return fs.read(this.file);
+			return L.resolveDefault(fs.read(this.file), '');
 		},
 
 		render: function(content) {
@@ -219,7 +219,7 @@ return baseclass.extend({
 								'wrap': 'off',
 								'spellcheck': 'false',
 							},
-							content || '')
+							content)
 						)
 					),
 				]),
diff --git a/luci-app-ruantiblock/root/usr/share/luci/menu.d/luci-app-ruantiblock.json b/luci-app-ruantiblock/root/usr/share/luci/menu.d/luci-app-ruantiblock.json
index 428e565..e187bd3 100644
--- a/luci-app-ruantiblock/root/usr/share/luci/menu.d/luci-app-ruantiblock.json
+++ b/luci-app-ruantiblock/root/usr/share/luci/menu.d/luci-app-ruantiblock.json
@@ -1,63 +1,63 @@
 {
-    "admin/services/ruantiblock": {
-        "title": "Ruantiblock",
-        "order": 60,
-        "action": {
-            "type": "alias",
-            "path": "admin/services/ruantiblock/service"
-        },
-        "depends": {
-            "acl": [ "luci-app-ruantiblock" ],
-            "fs": {
-                "/usr/bin/ruantiblock": "executable",
-                "/etc/init.d/ruantiblock": "executable"
-            },
-            "uci": { "ruantiblock": true }
-        }
-    },
+	"admin/services/ruantiblock": {
+		"title": "Ruantiblock",
+		"order": 60,
+		"action": {
+			"type": "alias",
+			"path": "admin/services/ruantiblock/service"
+		},
+		"depends": {
+			"acl": [ "luci-app-ruantiblock" ],
+			"fs": {
+				"/usr/bin/ruantiblock": "executable",
+				"/etc/init.d/ruantiblock": "executable"
+			},
+			"uci": { "ruantiblock": true }
+		}
+	},
 
-    "admin/services/ruantiblock/service": {
-        "title": "Service",
-        "order": 10,
-        "action": {
-            "type": "view",
-            "path": "ruantiblock/service"
-        }
-    },
+	"admin/services/ruantiblock/service": {
+		"title": "Service",
+		"order": 10,
+		"action": {
+			"type": "view",
+			"path": "ruantiblock/service"
+		}
+	},
 
-    "admin/services/ruantiblock/settings": {
-        "title": "Settings",
-        "order": 20,
-        "action": {
-            "type": "view",
-            "path": "ruantiblock/settings"
-        }
-    },
+	"admin/services/ruantiblock/settings": {
+		"title": "Settings",
+		"order": 20,
+		"action": {
+			"type": "view",
+			"path": "ruantiblock/settings"
+		}
+	},
 
-    "admin/services/ruantiblock/cron": {
-        "title": "Blacklist updates",
-        "order": 30,
-        "action": {
-            "type": "view",
-            "path": "ruantiblock/cron"
-        }
-    },
+	"admin/services/ruantiblock/cron": {
+		"title": "Blacklist updates",
+		"order": 30,
+		"action": {
+			"type": "view",
+			"path": "ruantiblock/cron"
+		}
+	},
 
-    "admin/services/ruantiblock/info": {
-        "title": "Statistics",
-        "order": 40,
-        "action": {
-            "type": "view",
-            "path": "ruantiblock/info"
-        }
-    },
+	"admin/services/ruantiblock/info": {
+		"title": "Statistics",
+		"order": 40,
+		"action": {
+			"type": "view",
+			"path": "ruantiblock/info"
+		}
+	},
 
-    "admin/services/ruantiblock/log": {
-        "title": "Log",
-        "order": 50,
-        "action": {
-            "type": "view",
-            "path": "ruantiblock/log"
-        }
-    }
+	"admin/services/ruantiblock/log": {
+		"title": "Log",
+		"order": 50,
+		"action": {
+			"type": "view",
+			"path": "ruantiblock/log"
+		}
+	}
 }
diff --git a/luci-app-ruantiblock/root/usr/share/rpcd/acl.d/luci-app-ruantiblock.json b/luci-app-ruantiblock/root/usr/share/rpcd/acl.d/luci-app-ruantiblock.json
index d401b2c..3a2cba8 100644
--- a/luci-app-ruantiblock/root/usr/share/rpcd/acl.d/luci-app-ruantiblock.json
+++ b/luci-app-ruantiblock/root/usr/share/rpcd/acl.d/luci-app-ruantiblock.json
@@ -4,7 +4,7 @@
 		"read": {
 			"cgi-io": [ "exec" ],
 			"file": {
-				"/usr/bin": [ "list" ],
+				"/usr/libexec/ruantiblock": [ "list" ],
 				"/etc/ruantiblock/fqdn_filter": [ "read" ],
 				"/etc/ruantiblock/ip_filter": [ "read" ],
 				"/etc/ruantiblock/user_entries": [ "read" ],