diff --git a/.gitignore b/.gitignore
index 4a0ec41..ad9d8ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1,13 @@
 ### Rust template
 # Generated by Cargo
 # will have compiled files and executables
-debug/
-target/
-
+**/debug/
+**/target/
+**/*.exe
+**/*.pdb
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
+**/Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
diff --git a/1.hello_world/main.rs b/1.hello_world/main.rs
new file mode 100644
index 0000000..63c90d9
--- /dev/null
+++ b/1.hello_world/main.rs
@@ -0,0 +1,7 @@
+// 编译
+// rustc ./main.rs 
+
+// 主函数入口
+fn main() {
+    println!("Hello World");
+}
diff --git a/2.hello_cargo/Cargo.toml b/2.hello_cargo/Cargo.toml
new file mode 100644
index 0000000..19c7b36
--- /dev/null
+++ b/2.hello_cargo/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "hello_cargo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2.hello_cargo/src/main.rs b/2.hello_cargo/src/main.rs
new file mode 100644
index 0000000..df3a1fe
--- /dev/null
+++ b/2.hello_cargo/src/main.rs
@@ -0,0 +1,6 @@
+// Cargo 创建项目
+// cargo new hello_cargo
+
+fn main() {
+    println!("Hello, world!");
+}