diff --git a/problems/0530.二叉搜索树的最小绝对差.md b/problems/0530.二叉搜索树的最小绝对差.md
index 03c48d9c..0bbc4908 100644
--- a/problems/0530.二叉搜索树的最小绝对差.md
+++ b/problems/0530.二叉搜索树的最小绝对差.md
@@ -224,8 +224,37 @@ class Solution:
         return r
 ```
 Go：
+> 中序遍历，然后计算最小差值
 
-
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+func getMinimumDifference(root *TreeNode) int {
+    var res []int
+    findMIn(root,&res)
+    min:=1000000//一个比较大的值
+    for i:=1;i<len(res);i++{
+        tempValue:=res[i]-res[i-1]
+        if tempValue<min{
+            min=tempValue
+        }
+    }
+    return min
+}
+//中序遍历
+func findMIn(root *TreeNode,res *[]int){
+    if root==nil{return}
+    findMIn(root.Left,res)
+    *res=append(*res,root.Val)
+    findMIn(root.Right,res)
+}
+```
 
 
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