change log.Fatal to log.Error to make subsequent os.Exit executable (#189)

Signed-off-by: Abirdcfly <[email protected]>

Author: Abirdcfly

cmd/easeprobe/main.go

@@ -85,15 +85,15 @@ func main() {
 
 	c, err := conf.New(yamlFile)
 	if err != nil {
-		log.Fatalln("Fatal: Cannot read the YAML configuration file!")
+		log.Errorln("Fatal: Cannot read the YAML configuration file!")
 		os.Exit(-1)
 	}
 
 	// Create the pid file if the file name is not empty
 	if len(strings.TrimSpace(c.Settings.PIDFile)) > 0 {
 		d, err := daemon.NewPIDFile(c.Settings.PIDFile)
 		if err != nil {
-			log.Fatalf("Fatal: Cannot create the PID file: %s!", err)
+			log.Errorf("Fatal: Cannot create the PID file: %s!", err)
 			os.Exit(-1)
 		}
 		log.Infof("Successfully created the PID file: %s", d.PIDFile)