diff --git a/lora-socket.h b/lora-socket.h
index 29bd404..a1f7c98 100644
--- a/lora-socket.h
+++ b/lora-socket.h
@@ -33,19 +33,47 @@ class LoRaSocket {
     inline static void onReceived(void (*f)(String, String, String, String)){
         _f = f;
     };
-
+    inline bool isNewMsg(){
+        isLoopMode = true;
+        return (newType == "") ? false : true;
+    };
+    inline const String getNewMsg(){
+        String msg = newMsg;
+        clearNewMsg();
+        return msg;
+    };
+    inline void getNewMsg(String& msg, String& from, String& to, String& type){
+        msg = newMsg;
+        from = newFrom;
+        to = newTo;
+        type = newType;
+        clearNewMsg();
+    };
 
    private:
     static StringVec tcp_sendingStack, tcp_receiveStack;
     static Vector<unsigned int> tcp_sendingTryTimes;
     static void(*_f)(String, String, String, String);
+    static String newMsg, newFrom, newTo, newType;
+    static bool isLoopMode;
+    inline void clearNewMsg(){
+        newMsg = "";
+        newFrom = "";
+        newTo = "";
+        newType = "";
+    };
     inline static void _onReceived(const String& msg, const String& from, const String& to, const String& type){
-        (*_f)(msg, from, to, type);
+        newMsg = msg;
+        newFrom = from;
+        newTo = to;
+        newType = type;
+        if(!isLoopMode) (*_f)(msg, from, to, type);
     };
   /* LoRa Functions */
     static void LoRa_tx_mode();
     static void LoRa_rx_mode();
     static void send(const String& s);
+    static void send(const char *s);
     static const String receiveMsg();
     /* Package Functions */
     inline static const String getIPHeader(const String& to = "0.0.0.0"){
@@ -135,6 +163,7 @@ class LoRaSocket {
 };
 
 void LoRaSocket::getMsg(const String& msg){
+
     if(!isGoodPackage(msg)) return;
     if(getToIP(msg) != LORA_SOCKET_IP && getToIP(msg) != "0.0.0.0") return;
 
@@ -152,9 +181,12 @@ void LoRaSocket::getMsg(const String& msg){
 }
 
 void LoRaSocket::udp(const String& msg, const String& to){
-    String fin = "udp|"+ getIPHeader(to) + encode(msg) + "|";
-    fin += hash(fin);
-    send(fin);
+    char *c;
+    c = (char*)malloc((msg.length()+39)*sizeof(char));
+    sprintf(c, "udp|%s%s|", getIPHeader(to).c_str(), encode(msg).c_str());
+    sprintf(c, "%s%s", c, hash(c).c_str());
+    send(c);
+    free(c);
 };
 
 
@@ -178,10 +210,12 @@ void LoRaSocket::rtcp(const String& msg){
 StringVec LoRaSocket::tcp_sendingStack, LoRaSocket::tcp_receiveStack;
 Vector<unsigned int> LoRaSocket::tcp_sendingTryTimes;
 void (*LoRaSocket::_f)(String, String, String, String);
+String LoRaSocket::newMsg = "", LoRaSocket::newFrom = "", LoRaSocket::newTo = "", LoRaSocket::newType = "";
+bool LoRaSocket::isLoopMode = false;
 
 void LoRaSocket::ini() {
 
-
+    LoRa_rx_mode();
 }
 
 void LoRaSocket::core() {
@@ -204,10 +238,20 @@ void LoRaSocket::LoRa_rx_mode(){
     LoRa.receive();
 }
 
+void LoRaSocket::send(const char *s){
+    LoRa_tx_mode();
+    delay(200);
+    LoRa.beginPacket();Serial.println(s);
+    LoRa.print(s);
+    LoRa.endPacket();
+    delay(200);
+    LoRa_rx_mode();
+}
+
 void LoRaSocket::send(const String& s){
   LoRa_tx_mode();
   delay(200);
-  LoRa.beginPacket();
+  LoRa.beginPacket();Serial.println(s);
   LoRa.print(s);
   LoRa.endPacket();
   delay(200);