diff --git a/sender_ui.py b/sender_ui.py
index 39b09ab..c50a6ed 100644
--- a/sender_ui.py
+++ b/sender_ui.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import io
 
 # Form implementation generated from reading ui file 'sender_ui.ui'
 #
@@ -33,6 +34,7 @@ import hashlib
 from Crypto.Hash import SHA512
 import rsa
 import base64
+import pickle
 #导入加密算法的类
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow,sender):
@@ -130,14 +132,14 @@ class Ui_MainWindow(object):
         self.algorithm = self.algorithm_box.currentText()
         self.mode = self.mode_box.currentText()
         with open(self.file_path, 'rb') as f:
-            plaintext = f.read()
+            self.plaintext = f.read()
         if self.algorithm=="AES":
             if self.mode=="ECB":
                 # #A随机生成16字节的数字和字母组合的字符串
                 self.key = ''.join(random.choices(string.ascii_letters + string.digits, k=16)).encode()
                 mode = AES.MODE_ECB
                 cryptor = AES.new(self.key, mode)
-                text = plaintext
+                text = self.plaintext
                 length = 16
                 count = len(text)
                 add = length - (count % length)
@@ -150,7 +152,7 @@ class Ui_MainWindow(object):
                 self.key = ''.join(random.choices(string.ascii_letters + string.digits, k=16)).encode()
                 mode = AES.MODE_CBC
                 cryptor = AES.new(self.key, mode, self.key)#iv = self.key
-                text = plaintext
+                text = self.plaintext
                 length = 16
                 count = len(text)
                 add = length - (count % length)
@@ -171,6 +173,7 @@ class Ui_MainWindow(object):
                 sm4Alg.set_key(sm4_key.encode(), sm4.SM4_ENCRYPT)
                 encrypted_data = sm4Alg.crypt_ecb(file_content)
                 self.encrypted_text = encrypted_data.hex()
+                self.textBrowser.append(self.encrypted_text)
             elif self.mode=="CBC":
                 # 生成sm4的密钥和偏移量
                 sm4_key = func.random_hex(16)
@@ -181,28 +184,34 @@ class Ui_MainWindow(object):
                 sm4Alg.set_key(sm4_key.encode(), sm4.SM4_ENCRYPT)
                 encrypted_data = sm4Alg.crypt_cbc(sm4_iv.encode(),file_content)
                 self.encrypted_text = encrypted_data.hex()
+                self.textBrowser.append(self.encrypted_text)
             else:
                 self.textBrowser.append("mode error")
         else:
             self.textBrowser.append("algorithm error")
         #对称密钥加密
-        enc_key=rsa.encrypt(self.key.encode(),self.public_key_other)
+        if type(self.key)!=bytes:
+            enc_key=rsa.encrypt(self.key.encode(),self.public_key_other)
+        else:
+            enc_key=rsa.encrypt(self.key,self.public_key_other)
         self.textBrowser.append(base64.b64encode(enc_key).decode())
         #签名
-        digest=hashlib.sha256(plaintext)
-        signature=rsa.sign(digest,self.private_key,'sha256')
+        signature=rsa.sign(self.plaintext,self.private_key,'SHA-256')
         # key = RSA.importKey(self.private_key)
         # sha512_hash = hashlib.sha256(plaintext.encode('utf-8')).hexdigest()
         # h = SHA512.new(sha512_hash.encode("utf-8"))
         # signer = PKCS1_v1_5.new(key)
         # signature = b2a_hex(signer.sign(h)).decode("utf-8")
-        self.textBrowser.append(signature)
-        self.envelope={"algorithm":self.algorithm,"mode":self.mode,"ciphertext":self.encrypted_text,"key":enc_key,"signature":signature,"publick_key":self.public_key}
+        # self.textBrowser.append(signature.decode())
+        self.envelope={"algorithm":self.algorithm,"mode":self.mode,"ciphertext":self.encrypted_text,"key":enc_key,"signature":signature}
+        print(self.envelope)
         self.textBrowser.append("pack successfully")
     def send(self):
         #发送数据
-        envelope = json.dumps(self.envelope)
-        self.sender.send(envelope.encode('utf-8'))
+        byte_stream=io.BytesIO()
+        pickle.dump(self.envelope,byte_stream)
+        byte_data=byte_stream.getvalue()
+        self.sender.send(b"123")
 
 if __name__ == "__main__":
     #连接接收端 准备发送数据