diff --git "a/problems/0509.\346\226\220\346\263\242\351\202\243\345\245\221\346\225\260.md" "b/problems/0509.\346\226\220\346\263\242\351\202\243\345\245\221\346\225\260.md"
index 1d17784d43..d8e4e1d7f8 100644
--- "a/problems/0509.\346\226\220\346\263\242\351\202\243\345\245\221\346\225\260.md"
+++ "b/problems/0509.\346\226\220\346\263\242\351\202\243\345\245\221\346\225\260.md"
@@ -245,7 +245,7 @@ var fib = function(n) {
 };
 ```
 
-TypeScript
+### TypeScript
 
 ```typescript
 function fib(n: number): number {
@@ -324,5 +324,33 @@ pub fn fib(n: i32) -> i32 {
     return fib(n - 1) + fib(n - 2);
 }
 ```
+
+### Scala
+
+动态规划:
+```scala
+object Solution {
+  def fib(n: Int): Int = {
+    if (n <= 1) return n
+    var dp = new Array[Int](n + 1)
+    dp(1) = 1
+    for (i <- 2 to n) {
+      dp(i) = dp(i - 1) + dp(i - 2)
+    }
+    dp(n)
+  }
+}
+```
+
+递归:
+```scala
+object Solution {
+  def fib(n: Int): Int = {
+    if (n <= 1) return n
+    fib(n - 1) + fib(n - 2)
+  }
+}
+```
+
 -----------------------
 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>