diff --git a/problems/0216.组合总和III.md b/problems/0216.组合总和III.md
index 76d31098..dd6ba999 100644
--- a/problems/0216.组合总和III.md
+++ b/problems/0216.组合总和III.md
@@ -452,14 +452,14 @@ int** combinationSum3(int k, int n, int* returnSize, int** returnColumnSizes){
 ## Swift
 
 ```swift
-func combinationSum3(_ k: Int, _ n: Int) -> [[Int]] {
+func combinationSum3(_ count: Int, _ targetSum: Int) -> [[Int]] {
     var result = [[Int]]()
     var path = [Int]()
-    func backtracking(targetSum: Int, k: Int, sum: Int, startIndex: Int) {
+    func backtracking(sum: Int, startIndex: Int) {
         // 剪枝
-        if sum  > targetSum { return }
+        if sum > targetSum { return }
         // 终止条件
-        if path.count == k {
+        if path.count == count {
             if sum == targetSum {
                 result.append(path)
             }
@@ -471,12 +471,12 @@ func combinationSum3(_ k: Int, _ n: Int) -> [[Int]] {
         guard startIndex <= endIndex else { return }
         for i in startIndex ... endIndex {
             path.append(i) // 处理
-            backtracking(targetSum: targetSum, k: k, sum: sum + i, startIndex: i + 1)
+            backtracking(sum: sum + i, startIndex: i + 1)
             path.removeLast() // 回溯
         }
     }
 
-    backtracking(targetSum: n, k: k, sum: 0, startIndex: 1)
+    backtracking(sum: 0, startIndex: 1)
     return result
 }
 ```