package api; import java.util.HashMap; import java.util.Map; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import globle.UitlHttp; import globle.Utilwx; public class wxsscheck { static wxsscheck s_wxsscheck; public static wxsscheck getInstance() { if (s_wxsscheck == null) { s_wxsscheck = new wxsscheck(); } return s_wxsscheck; } String mtookenString = ""; long mtime = 0; String check(String contextv) { String url = "https://api.weixin.qq.com/wxa/msg_sec_check"; Map<String, String> objmap = new HashMap<String, String>(); objmap.put("content", contextv); objmap.put("access_token", mtookenString); String reString = UitlHttp.dopost(url, "", objmap); return reString; } public String Checktxt(String contextv) { if (System.currentTimeMillis() - mtime < 120 * 60 * 1000 && mtookenString.length() > 10) { return check(contextv); } mtime = System.currentTimeMillis(); String url = "https://api.weixin.qq.com/cgi-bin/token"; Map<String, String> objmap = new HashMap<String, String>(); objmap.put("appid", Utilwx.appid);  objmap.put("secret", Utilwx.secret);  objmap.put("grant_type", "client_credential"); String access_token = UitlHttp.doGet(url, objmap); if (access_token == null || access_token.length() < 1) { return "no"; } else if (access_token.contains("errcode")) { return "no"; } JsonObject json = new JsonParser().parse(access_token).getAsJsonObject(); mtookenString = json.get("access_token").getAsString(); return check(contextv); } } -------- 返回 {"errcode":41001,"errmsg":"access_token missing hint: [7qxEjA02498671!]"} 有 access_token,为什么返回41001 求解