Fix OkHttp compatibility

Author: StageGuard

src/main/kotlin/stageguard/sctimetable/api/edu_system/super/SuperCourseApiService.kt

@@ -88,12 +88,12 @@ object SuperCourseApiService {
         }.execute { response ->
             var cookieList: List<String> = arrayListOf("", "")
             response.headers.forEach { s: String, list: List<String> ->
-                if (s.contains("Cookie")) {
+                if (s.contains("set-cookie")) {
                     cookieList = list
                     return@forEach
                 }
             }
-            cookieBlock ?.invoke(LoginCookieData(cookieList[0].let {
+            cookieBlock?.invoke(LoginCookieData(cookieList[0].let {
                 val jSessionMatcher = jSessionIdRegExp.matcher(it)
                 if(jSessionMatcher.find()) {
                     jSessionMatcher.group(1)
@@ -106,7 +106,6 @@ object SuperCourseApiService {
             }))
             //超级课表的api可真是狗屎，逼我自定义一个Either
             val result = (response.content.readUTF8Line() ?: "{\"data\":{\"errorStr\":\"Empty response content.\"},\"status\":1}")
-            //println(result)
             if(Pattern.compile("errorStr").matcher(result).find()) {
                 Either.Right(Json.decodeFromString(result))
             } else {