diff --git a/problems/0112.路径总和.md b/problems/0112.路径总和.md
index d50f23f9..482787bf 100644
--- a/problems/0112.路径总和.md
+++ b/problems/0112.路径总和.md
@@ -1213,6 +1213,28 @@ object Solution {
 }
 ```
 
+## rust
+
+### 112.路径总和.md
+
+```rust
+use std::rc::Rc;
+use std::cell::RefCell;
+impl Solution {
+    pub fn has_path_sum(root: Option<Rc<RefCell<TreeNode>>>, target_sum: i32) -> bool {
+        if root.is_none() {
+            return false;
+        }
+        let node = root.unwrap();
+        if node.borrow().left.is_none() && node.borrow().right.is_none() {
+            return node.borrow().val == target_sum;
+        }
+        return Self::has_path_sum(node.borrow().left.clone(), target_sum - node.borrow().val)
+            || Self::has_path_sum(node.borrow().right.clone(), target_sum - node.borrow().val);
+    }
+}
+```
+
 <p align="center">
 <a href="https://programmercarl.com/other/kstar.html" target="_blank">
   <img src="../pics/网站星球宣传海报.jpg" width="1000"/>