diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 000000000..6b615969d
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,36 @@
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+    paths: ["codes/go/**/*.go"]
+  pull_request:
+    branches: [ "main" ]
+    paths: ["codes/go/**/*.go"]
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Go ${{ matrix.go-version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        working-directory: codes/go/
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        go-version: ["1.19.x"]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup Go ${{ matrix.go-version }}
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Check out code into the Go module directory
+      run: go get -v -t -d ./...
+    - name: Build
+      run: go build -v ./...
+    - name: Test with Go
+      run: go test -v ./...
diff --git a/codes/go/chapter_computational_complexity/space_complexity.go b/codes/go/chapter_computational_complexity/space_complexity.go
index aaad21404..3639c7912 100644
--- a/codes/go/chapter_computational_complexity/space_complexity.go
+++ b/codes/go/chapter_computational_complexity/space_complexity.go
@@ -7,6 +7,8 @@ package chapter_computational_complexity
 import (
 	"fmt"
 	"strconv"
+
+	. "github.com/krahets/hello-algo/pkg"
 )
 
 /* 结构体 */
@@ -15,33 +17,11 @@ type node struct {
 	next *node
 }
 
-/* treeNode 二叉树 */
-type treeNode struct {
-	val   int
-	left  *treeNode
-	right *treeNode
-}
-
 /* 创建 node 结构体  */
 func newNode(val int) *node {
 	return &node{val: val}
 }
 
-/* 创建 treeNode 结构体 */
-func newTreeNode(val int) *treeNode {
-	return &treeNode{val: val}
-}
-
-/* 输出二叉树 */
-func printTree(root *treeNode) {
-	if root == nil {
-		return
-	}
-	fmt.Println(root.val)
-	printTree(root.left)
-	printTree(root.right)
-}
-
 /* 函数 */
 func function() int {
 	// 执行某些操作...
@@ -54,7 +34,7 @@ func spaceConstant(n int) {
 	const a = 0
 	b := 0
 	nums := make([]int, 10000)
-	ListNode := newNode(0)
+	node := newNode(0)
 	// 循环中的变量占用 O(1) 空间
 	var c int
 	for i := 0; i < n; i++ {
@@ -64,7 +44,10 @@ func spaceConstant(n int) {
 	for i := 0; i < n; i++ {
 		function()
 	}
-	fmt.Println(a, b, nums, c, ListNode)
+	b += 0
+	c += 0
+	nums[0] = 0
+	node.val = 0
 }
 
 /* 线性阶 */
@@ -112,12 +95,12 @@ func spaceQuadraticRecur(n int) int {
 }
 
 /* 指数阶（建立满二叉树） */
-func buildTree(n int) *treeNode {
+func buildTree(n int) *TreeNode {
 	if n == 0 {
 		return nil
 	}
-	root := newTreeNode(0)
-	root.left = buildTree(n - 1)
-	root.right = buildTree(n - 1)
+	root := NewTreeNode(0)
+	root.Left = buildTree(n - 1)
+	root.Right = buildTree(n - 1)
 	return root
 }
diff --git a/codes/go/chapter_computational_complexity/space_complexity_test.go b/codes/go/chapter_computational_complexity/space_complexity_test.go
index 9e8237235..2c62fdb78 100644
--- a/codes/go/chapter_computational_complexity/space_complexity_test.go
+++ b/codes/go/chapter_computational_complexity/space_complexity_test.go
@@ -6,25 +6,21 @@ package chapter_computational_complexity
 
 import (
 	"testing"
+
+	. "github.com/krahets/hello-algo/pkg"
 )
 
 func TestSpaceComplexity(t *testing.T) {
-	/* ======= Test Case ======= */
 	n := 5
-
-	/* ====== Driver Code ====== */
 	// 常数阶
 	spaceConstant(n)
-
 	// 线性阶
 	spaceLinear(n)
 	spaceLinearRecur(n)
-
 	// 平方阶
 	spaceQuadratic(n)
 	spaceQuadraticRecur(n)
-
 	// 指数阶
 	root := buildTree(n)
-	printTree(root)
+	PrintTree(root)
 }
diff --git a/codes/python/test_all.py b/codes/python/test_all.py
index 1a371123a..a90c773a4 100644
--- a/codes/python/test_all.py
+++ b/codes/python/test_all.py
@@ -18,6 +18,7 @@ if __name__ == "__main__":
             stderr=subprocess.PIPE,
             text=True,
             env=env,
+            encoding='utf-8'
         )
         # Wait for the process to complete, and get the output and error messages
         stdout, stderr = process.communicate()