diff --git a/problems/0062.不同路径.md b/problems/0062.不同路径.md
index bf436369..2ca15726 100644
--- a/problems/0062.不同路径.md
+++ b/problems/0062.不同路径.md
@@ -395,21 +395,14 @@ function uniquePaths(m: number, n: number): number {
 ```Rust
 impl Solution {
     pub fn unique_paths(m: i32, n: i32) -> i32 {
-            let m = m as usize;
-            let n = n as usize;
-            let mut dp = vec![vec![0; n]; m];
-            for i in 0..m {
-                dp[i][0] = 1;
+        let (m, n) = (m as usize, n as usize);
+        let mut dp = vec![vec![1; n]; m];
+        for i in 1..m {
+            for j in 1..n {
+                dp[i][j] = dp[i - 1][j] + dp[i][j - 1];
             }
-            for j in 0..n {
-                dp[0][j] = 1;
-            }
-            for i in 1..m {
-                for j in 1..n {
-                    dp[i][j] = dp[i-1][j] + dp[i][j-1];
-                }
-            }
-        dp[m-1][n-1]
+        }
+        dp[m - 1][n - 1]
     }
 }
 ```