Add comma

Author: k-yomo

middleware/logger_test.go

@@ -91,7 +91,7 @@ func TestLoggerTemplate(t *testing.T) {
 	e.Use(LoggerWithConfig(LoggerConfig{
 		Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}","user_agent":"${user_agent}",` +
 			`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
-			`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "route":"${route}" "referer":"${referer}",` +
+			`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "route":"${route}", "referer":"${referer}",` +
 			`"bytes_out":${bytes_out},"ch":"${header:X-Custom-Header}", "protocol":"${protocol}"` +
 			`"us":"${query:username}", "cf":"${form:username}", "session":"${cookie:session}"}` + "\n",
 		Output: buf,