diff --git a/lora-mqtt.h b/lora-mqtt.h
index 1fdbee4..ee4f0e3 100644
--- a/lora-mqtt.h
+++ b/lora-mqtt.h
@@ -1,7 +1,7 @@
 #ifndef __LORA_MATT_H__
 #define __LORA_MATT_H__
 
-#define MAX_STRINGVEC_SIZE 20
+#define MAX_STRINGVEC_SIZE 2
 #include "lora-socket.h"
 
 
@@ -15,6 +15,13 @@ public:
     }
 
     inline void core(){
+        if(isLoopMode){
+            if(socket.isNewMsg()){
+                String msg = "", from = "", to = "", type = "";
+                socket.getNewMsg(msg, from, to, type);
+                _onReceived(msg, from, to, type);
+            }
+        }
         socket.core();
     }
 
@@ -31,21 +38,39 @@ public:
     inline static void onReceived(void (*f)(String, String)){
         _f = f;
     }
-
+    inline bool isNewMsg(){
+        isLoopMode = true;
+        return (newSubject == "") ? false : true;
+    };
+    inline void getNewMsg(String& subject, String& content){
+        subject = newSubject;
+        content = newContent;
+        clearNewMsg();
+    }
 
 
 private:
     static LoRaSocket socket;
     static StringVec _subjects;
     static void (*_f)(String, String);
+    static String newSubject, newContent;
+    static bool isLoopMode;
 
-    inline static void _onReceived(String msg, String from, String to, String type){
+    inline void clearNewMsg(){
+        newSubject = "";
+        newContent = "";
+    };
 
+    inline static void _onReceived(String msg, String from, String to, String type){
+        
+        if(msg.indexOf('$') == -1) return;
         String subject = msg.substring(0, msg.indexOf('$'));
         String content = msg.substring(msg.indexOf('$') + 1, msg.length());
 
-        if(_subjects.Find(subject) != -1){
-            _f(subject, content);
+        if(_subjects.Find("#") != -1 || _subjects.Find(subject) != -1){
+            newSubject = subject;
+            newContent = content;
+            if(!isLoopMode) _f(subject, content);
         }
     };
 
@@ -56,6 +81,7 @@ private:
 LoRaSocket LoRaMQTT::socket;
 StringVec LoRaMQTT::_subjects;
 void (*LoRaMQTT::_f)(String, String);
-
+String LoRaMQTT::newSubject = "", LoRaMQTT::newContent = "";
+bool LoRaMQTT::isLoopMode = false;
 
 #endif //__LORA_MATT_H__
\ No newline at end of file
diff --git a/lora-mqtt.ino b/lora-mqtt.ino
index 88efa7c..954a1a1 100644
--- a/lora-mqtt.ino
+++ b/lora-mqtt.ino
@@ -20,13 +20,19 @@ void setup(){
    }
    LoRa.receive();
     mqtt.ini();
-    mqtt.subscribe("lalala");
-    mqtt.onReceived(msg);
+    mqtt.subscribe("#");
+    //mqtt.onReceived(msg);
     //mqtt.publish("lalala", "aaaaa");
 }
 
 
 void loop(){
-
+    if(mqtt.isNewMsg()){
+        String s, c;
+        mqtt.getNewMsg(s, c);
+        Serial.println(s);
+        Serial.println(c);
+        mqtt.publish("res/json", "lalla");
+    }
     mqtt.core();
 }
\ No newline at end of file
diff --git a/lora-socket.h b/lora-socket.h
index 4b7b644..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"){
@@ -153,9 +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);
 };
 
 
@@ -179,10 +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() {
@@ -205,10 +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);