diff --git a/problems/0122.买卖股票的最佳时机II（动态规划）.md b/problems/0122.买卖股票的最佳时机II（动态规划）.md
index 5dfe3f0e..5a39c8b1 100644
--- a/problems/0122.买卖股票的最佳时机II（动态规划）.md
+++ b/problems/0122.买卖股票的最佳时机II（动态规划）.md
@@ -199,6 +199,33 @@ class Solution:
 ```
 
 Go：
+```go
+// 买卖股票的最佳时机Ⅱ 动态规划
+// 时间复杂度O(n) 空间复杂度O(n)
+func maxProfit(prices []int) int {
+    dp := make([][]int, len(prices))
+    status := make([]int, len(prices) * 2)
+    for i := range dp {
+        dp[i] = status[:2]
+        status = status[2:]
+    }
+    dp[0][0] = -prices[0]
+    
+    for i := 1; i < len(prices); i++ {
+        dp[i][0] = max(dp[i - 1][0], dp[i - 1][1] - prices[i])
+        dp[i][1] = max(dp[i - 1][1], dp[i - 1][0] + prices[i])
+    }
+    
+    return dp[len(prices) - 1][1]
+}
+
+func max(a, b int) int {
+    if a > b {
+        return a
+    }
+    return b
+}
+```
 
 Javascript：
 ```javascript