diff --git a/src/graphs/commit_chart.go b/src/graphs/commit_chart.go
index e5c5506..531a716 100644
--- a/src/graphs/commit_chart.go
+++ b/src/graphs/commit_chart.go
@@ -58,7 +58,7 @@ func DrawCommitChart(commitsHistory []int, maxCommits int, width int, height int
 	p.Y.Max = float64(maxCommits) + 5
 
 	// ラベルの外に余白を持つ
-	p.Title.Padding = 10   // タイトル周りの余白
+	p.Title.Padding = 10  // タイトル周りの余白
 	p.X.Label.Padding = 2 // X軸ラベル周りの余白
 	p.Y.Label.Padding = 2 // Y軸ラベル周りの余白
 
diff --git a/src/main.go b/src/main.go
index 646cd7c..bf2f87b 100644
--- a/src/main.go
+++ b/src/main.go
@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"strconv"
+
 	"github.com/tomoish/readme/funcs"
 	"github.com/tomoish/readme/graphs"
 )
@@ -114,7 +115,7 @@ import (
 // }
 
 // 画像生成エンドポイント
-func createhandler(w http.ResponseWriter, r *http.Request) {
+func createHandler(w http.ResponseWriter, r *http.Request) {
 	queryValues := r.URL.Query()
 	username := queryValues.Get("username")
 	if r.Method == http.MethodGet {
@@ -174,9 +175,9 @@ func main() {
 	// http.HandleFunc("/user", getuserHandler)
 	// http.HandleFunc("/merge", mergeAllContents)
 	// http.HandleFunc("/background", getBackgroundHandler)
-	http.HandleFunc("/create", createhandler)
+	http.HandleFunc("/create", createHandler)
 	fmt.Println("Hello, World!")
-	err := http.ListenAndServe(":8000", nil)
+	err := http.ListenAndServe(":8080", nil)
 	if err != nil {
 		log.Fatalf("HTTP server failed: %v", err)
 	}