fix bug #1122 log.smtp receiver configure error (#3602) (#451)

conf/app.ini

@@ -338,7 +338,7 @@ HOST =
 ; Mailer user name and password
 USER =
 PASSWD =
-; Receivers, can be one or more, e.g. ["[email protected]","[email protected]"]
+; Receivers, can be one or more, e.g. [email protected],[email protected]
 RECEIVERS =
 
 ; For "database" mode only

modules/setting/setting.go

@@ -686,11 +686,11 @@ func newLogService() {
  sec.Key("PROTOCOL").In("tcp", []string{"tcp", "unix", "udp"}),
  sec.Key("ADDR").MustString(":7020"))
  case "smtp":
- LogConfigs[i] = fmt.Sprintf(`{"level":%s,"username":"%s","password":"%s","host":"%s","sendTos":"%s","subject":"%s"}`, level,
+ LogConfigs[i] = fmt.Sprintf(`{"level":%s,"username":"%s","password":"%s","host":"%s","sendTos":["%s"],"subject":"%s"}`, level,
  sec.Key("USER").MustString("[email protected]"),
  sec.Key("PASSWD").MustString("******"),
  sec.Key("HOST").MustString("127.0.0.1:25"),
- sec.Key("RECEIVERS").MustString("[]"),
+ strings.Replace(sec.Key("RECEIVERS").MustString("[email protected]"), ",", "\",\"", -1),
  sec.Key("SUBJECT").MustString("Diagnostic message from serve"))
  case "database":
  LogConfigs[i] = fmt.Sprintf(`{"level":%s,"driver":"%s","conn":"%s"}`, level,