diff --git a/dockerbuild.usage.txt b/dockerbuild.usage.txt
new file mode 100644
index 0000000..016aab1
--- /dev/null
+++ b/dockerbuild.usage.txt
@@ -0,0 +1,12 @@
+Help:
+dockerbuild --Help
+
+Init config:
+dockerbuild ::init
+
+Build release use config or default rust:
+dockerbuild build --release --target-dir linux_target
+
+dockerbuild :image:i386/rust:1.47 build --release --target-dir linux_i386_target
+
+dockerbuild :image:i386/rust:1.47 :mirror:git:*** build --release --target-dir linux_i386_target
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 2b6ebd8..a02165b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,12 +24,9 @@ fn main() {
     }
     information!("{} v{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
 
-    let docker_build_config = config::load_docker_build_config_or_default();
-
     let mut args_iter = env::args().skip(1).peekable();
-
     if args_iter.peek().map(|arg| vec!["--help", "-h", "::help"].contains(&&arg.as_str())).unwrap_or(false) {
-        println!("dockerbuild [::init]");
+        println!("{}",include_str!("../dockerbuild.usage.txt"));
         return;
     }
 
@@ -59,6 +56,7 @@ fn main() {
         return;
     }
 
+    let docker_build_config = config::load_docker_build_config_or_default();
     let docker_build_image_opt = if let Some(first_arg) = args_iter.peek() {
         if first_arg.starts_with(":name:") {
             let name = first_arg[6..].to_string();