diff --git a/problems/0106.从中序与后序遍历序列构造二叉树.md b/problems/0106.从中序与后序遍历序列构造二叉树.md
index ba2d46a1..600a38e0 100644
--- a/problems/0106.从中序与后序遍历序列构造二叉树.md
+++ b/problems/0106.从中序与后序遍历序列构造二叉树.md
@@ -693,6 +693,70 @@ class Solution:
             return root
 ```
 Go：
+> 106 从中序与后序遍历序列构造二叉树
+
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+func buildTree(inorder []int, postorder []int) *TreeNode {
+    if len(inorder)<1||len(postorder)<1{return nil}
+    //先找到根节点（后续遍历的最后一个就是根节点）
+    nodeValue:=postorder[len(postorder)-1]
+    //从中序遍历中找到一分为二的点，左边为左子树，右边为右子树
+    left:=findRootIndex(inorder,nodeValue)
+    //构造root
+    root:=&TreeNode{Val: nodeValue,
+                Left: buildTree(inorder[:left],postorder[:left]),//将后续遍历一分为二，左边为左子树，右边为右子树
+                Right: buildTree(inorder[left+1:],postorder[left:len(postorder)-1])}
+    return root
+}
+func findRootIndex(inorder []int,target int) (index int){
+    for i:=0;i<len(inorder);i++{
+        if target==inorder[i]{
+            return i
+        }
+    }
+    return -1
+}
+```
+
+> 105 从前序与中序遍历序列构造二叉树
+
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+func buildTree(preorder []int, inorder []int) *TreeNode {
+    if len(preorder)<1||len(inorder)<1{return nil}
+    left:=findRootIndex(preorder[0],inorder)
+    root:=&TreeNode{
+        Val: preorder[0],
+        Left: buildTree(preorder[1:left+1],inorder[:left]),
+        Right: buildTree(preorder[left+1:],inorder[left+1:])}
+    return root
+}
+func findRootIndex(target int,inorder []int) int{
+    for i:=0;i<len(inorder);i++{
+        if target==inorder[i]{
+            return i
+        }
+    }
+    return -1
+}
+```
+
+
 
 
 JavaScript
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)
+}
+```
 
 
 -----------------------
diff --git a/problems/0617.合并二叉树.md b/problems/0617.合并二叉树.md
index d65275f0..be6bb425 100644
--- a/problems/0617.合并二叉树.md
+++ b/problems/0617.合并二叉树.md
@@ -332,6 +332,43 @@ class Solution:
 
 Go：
 
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+ //前序遍历（递归遍历，跟105 106差不多的思路）
+func mergeTrees(t1 *TreeNode, t2 *TreeNode) *TreeNode {
+    var value int 
+    var nullNode *TreeNode//空node，便于遍历
+    nullNode=&TreeNode{
+        Val:0,
+        Left:nil,
+        Right:nil}
+    switch {
+        case t1==nil&&t2==nil: return nil//终止条件
+        default : //如果其中一个节点为空，则将该节点置为nullNode，方便下次遍历
+        if t1==nil{
+            value=t2.Val
+            t1=nullNode
+        }else if t2==nil{
+            value=t1.Val
+            t2=nullNode
+        }else {
+            value=t1.Val+t2.Val
+        }
+    }
+    root:=&TreeNode{//构造新的二叉树
+        Val: value,
+        Left: mergeTrees(t1.Left,t2.Left),
+        Right: mergeTrees(t1.Right,t2.Right)}
+    return root
+}
+```
 
 
 
diff --git a/problems/0654.最大二叉树.md b/problems/0654.最大二叉树.md
index ea8c15cd..f0d3e594 100644
--- a/problems/0654.最大二叉树.md
+++ b/problems/0654.最大二叉树.md
@@ -278,6 +278,39 @@ class Solution:
 
 Go：
 
+> 654. 最大二叉树
+
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+func constructMaximumBinaryTree(nums []int) *TreeNode {
+    if len(nums)<1{return nil}
+    //首选找到最大值
+    index:=findMax(nums)
+    //其次构造二叉树
+    root:=&TreeNode{
+        Val: nums[index],
+        Left:constructMaximumBinaryTree(nums[:index]),//左半边
+        Right:constructMaximumBinaryTree(nums[index+1:]),//右半边
+        }
+    return root
+}
+func findMax(nums []int) (index int){
+    for i:=0;i<len(nums);i++{
+        if nums[i]>nums[index]{
+            index=i
+        }
+    }
+    return 
+}
+```
+
 
 
 
diff --git a/problems/0700.二叉搜索树中的搜索.md b/problems/0700.二叉搜索树中的搜索.md
index 25a06617..16b21f26 100644
--- a/problems/0700.二叉搜索树中的搜索.md
+++ b/problems/0700.二叉搜索树中的搜索.md
@@ -241,6 +241,56 @@ class Solution:
 
 Go：
 
+> 递归法
+
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+ //递归法
+func searchBST(root *TreeNode, val int) *TreeNode {
+    if root==nil||root.Val==val{
+        return root
+    }
+    if root.Val>val{
+        return searchBST(root.Left,val)
+    }
+    return searchBST(root.Right,val)
+}
+```
+
+> 迭代法
+
+```go
+/**
+ * Definition for a binary tree node.
+ * type TreeNode struct {
+ *     Val int
+ *     Left *TreeNode
+ *     Right *TreeNode
+ * }
+ */
+ //迭代法
+func searchBST(root *TreeNode, val int) *TreeNode {
+    for root!=nil{
+        if root.Val>val{
+            root=root.Left
+        }else if root.Val<val{
+            root=root.Right
+        }else{
+            break
+        }
+    }
+    return root
+}
+```
+
+
 
 
 
diff --git a/problems/0739.每日温度.md b/problems/0739.每日温度.md
index 1f91e42a..eeea6ead 100644
--- a/problems/0739.每日温度.md
+++ b/problems/0739.每日温度.md
@@ -214,6 +214,52 @@ Python：
 
 Go：
 
+> 暴力法
+
+```go
+func dailyTemperatures(temperatures []int) []int {
+    length:=len(temperatures)
+    res:=make([]int,length)
+    for i:=0;i<length;i++{
+        j:=i+1
+        if i==length-1{
+            res[i]=0
+        }
+        for j<length&&temperatures[i]>=temperatures[j]{//大于等于
+            j++
+        }
+        if j<length&&temperatures[i]<temperatures[j]{
+            res[i]=j-i
+        }
+        if j==length{
+            res[i]=0
+        }
+    }
+    return res
+}
+```
+
+> 单调栈法
+
+```go
+func dailyTemperatures(temperatures []int) []int {
+    length:=len(temperatures)
+    res:=make([]int,length)
+    stack:=[]int{}
+    for i:=0;i<length;i++{
+        //如果当前栈中存在元素，新来的元素大于栈顶的元素，则计算差值并弹出栈顶元素
+        for len(stack)>0&&temperatures[i]>temperatures[stack[len(stack)-1]]{
+            res[stack[len(stack)-1]]=i-stack[len(stack)-1]//存放结果集
+            stack=stack[:len(stack)-1]//删除stack[len(stack)-1]的元素
+        }
+        //如果栈顶元素大于等于新来的元素，则加入到栈中。当栈内元素个数为0时，直接入栈
+        if len(stack)==0||temperatures[i]<=temperatures[stack[len(stack)-1]]{
+            stack = append(stack, i)
+        }
+    }
+    return res
+}
+```