print finished time of render web page

LineChart.go

@@ -86,6 +86,7 @@ func eChart(w http.ResponseWriter, r *http.Request) {
 	if r.RequestURI == "/favicon.ico" {
 		return
 	}
+	fmt.Println()
 	log.Printf("[MSG]  Received Request: %s, %s\r\n", r.RemoteAddr, r.RequestURI)
 	defer r.Body.Close()
 
@@ -347,4 +348,5 @@ func eChart(w http.ResponseWriter, r *http.Request) {
 			// ),
 		)
 	chart.Render(w)
+	log.Println("[MSG]  Finished Render Web Page.")
 }

go.mod

@@ -1,6 +1,6 @@
 module LineChart
 
-go 1.21.1
+go 1.21.0
 
 require (
 	github.com/go-echarts/go-echarts/v2 v2.3.3