--- a/client/client.go	Fri Dec 04 18:27:09 2020 +0900
+++ b/client/client.go	Fri Dec 04 18:51:59 2020 +0900
@@ -76,7 +76,7 @@
 
 	u.Path = path.Join(u.Path, uri)
 
-	fmt.Printf("[info] method %s, url %s body %s\n", method, u.String(), body)
+	fmt.Printf("[info] method %s, url %s \n", method, u.String())
 	req, err := http.NewRequest(method, u.String(), body)
 	req = req.WithContext(ctx)
 

--- a/client/page.go	Fri Dec 04 18:27:09 2020 +0900
+++ b/client/page.go	Fri Dec 04 18:51:59 2020 +0900
@@ -128,7 +128,7 @@
 	return &pagesGet.Page, nil
 }
 
-const UPDATE_ENDPOINT string = "/_api/pages.update"
+const UpdateEndpoint string = "/_api/pages.update"
 
 func (p *PagesService) Update(ctx context.Context, pageID, revisionID, body string) (*Page, error) {
 	params := url.Values{}
@@ -137,7 +137,7 @@
 	params.Add("revision_id", revisionID)
 	params.Add("body", body)
 
-	res, err := p.client.newRequest(ctx, http.MethodPost, UPDATE_ENDPOINT, &params)
+	res, err := p.client.newRequest(ctx, http.MethodPost, UpdateEndpoint, &params)
 	if err != nil {
 		return nil, err
 	}

--- a/cmd_edit.go	Fri Dec 04 18:27:09 2020 +0900
+++ b/cmd_edit.go	Fri Dec 04 18:51:59 2020 +0900
@@ -5,6 +5,7 @@
 	"flag"
 	"fmt"
 	"io"
+	"os"
 	"path/filepath"
 	"time"
 )
@@ -39,6 +40,18 @@
 
 	localFilePATH := filepath.Join(config.LocalRoot, growiPATH+".md")
 
+	var beforeTime time.Time
+
+	alreadyExistsFile := existsFile(localFilePATH)
+
+	if alreadyExistsFile {
+		info, err := os.Stat(localFilePATH)
+		if err != nil {
+			return err
+		}
+		beforeTime = info.ModTime()
+	}
+
 	client, err := NewGrowiClient(config.URL, config.TOKEN)
 	if err != nil {
 		return err
@@ -49,6 +62,18 @@
 		return fmt.Errorf("failed edit mardkwodn file %+v", err)
 	}
 
+	if alreadyExistsFile {
+		info, err := os.Stat(localFilePATH)
+		if err != nil {
+			return err
+		}
+
+		if info.ModTime() == beforeTime {
+			fmt.Printf("[info] %s not update\n", growiPATH)
+			return nil
+		}
+	}
+
 	return client.UpdatePage(growiPATH, localFilePATH)
 }