completet crate_vec()

src/bin/message.rs

         msg.payload[0] = msg_type as u8;
         msg
     }
-    fn creat_vec(ciphertext: Vec<u8>) -> Vec<u8> {
-        let mut vec: Vec<u8> = vec![0; 14 + ciphertext.len()];
+    fn creat_vec(&mut self) -> Vec<u8> {
+        let mut vec: Vec<u8> = vec![0; (10 + self.size).into()];
 
+        vec[0] = ((self.src_id >> 24) & 0xff) as u8;
+        vec[1] = ((self.src_id >> 16) & 0xff) as u8;
+        vec[2] = ((self.src_id >> 8) & 0xff) as u8;
+        vec[3] = (self.src_id & 0xff) as u8;
+        vec[4] = ((self.dest_id >> 24) & 0xff) as u8;
+        vec[5] = ((self.dest_id >> 16) & 0xff) as u8;
+        vec[6] = ((self.dest_id >> 8) & 0xff) as u8;
+        vec[7] = (self.dest_id & 0xff) as u8;
+        vec[8] = ((self.size >> 8) & 0xff) as u8;
+        vec[9] = (self.size & 0xff) as u8;
 
 
-        for i in 14..(14 + ciphertext.len()){
-            vec[i] = ciphertext[i - 14];
+        for i in 10..(10 + self.size).into(){
+            vec[i] = self.payload[i - 10];
         }
         vec
     }