diff --git a/README.md b/README.md
index 5bad9ee..cdb5e9d 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ go get github.com/beego/bee
 Then you can add `bee` binary to PATH environment variable in your `~/.bashrc` or `~/.bash_profile` file:
 
 ```bash
-export PATH=$PATH:<your_main_gopath>/bin/bee
+export PATH=$PATH:<your_main_gopath>/bin
 ```
 
 > If you already have `bee` installed, updating `bee` is simple:
diff --git a/apiapp.go b/apiapp.go
index 5d24e55..9186f8e 100644
--- a/apiapp.go
+++ b/apiapp.go
@@ -50,6 +50,9 @@ the following files/directories structure:
 	│   └── user_controller.go
 	├── docs
 	│   └── doc.go
+	├── helpers
+	│   ├── object_helper.go
+	│   └── user_helper.go
 	├── main.go
 	├── models
 	│   ├── object.go
@@ -57,6 +60,8 @@ the following files/directories structure:
 	├── routers
 	│   └── router.go
 	├── structures
+	│   ├── object_structure.go
+	│   └── user_structure.go
 	└── tests
 	    └── default_test.go
 
diff --git a/migrate.go b/migrate.go
index 2e3d8b2..173c5b0 100644
--- a/migrate.go
+++ b/migrate.go
@@ -244,7 +244,7 @@ func selectMigrationsTableSql(driver string) string {
 	case "mysql":
 		return "DESC migrations"
 	case "postgres":
-		return "SELECT * FROM migrations ORDER BY id_migration;"
+		return "SELECT * FROM migrations WHERE false ORDER BY id_migration;"
 	default:
 		return "DESC migrations"
 	}