diff --git a/apidemo.py b/apidemo.py
new file mode 100644
index 0000000..e69de29
diff --git a/cloud.py b/cloud.py
index 86a534b..69c829f 100644
--- a/cloud.py
+++ b/cloud.py
@@ -4,6 +4,7 @@
 import oss2
 import os
 import json
+from oss2.credentials import EnvironmentVariableCredentialsProvider
 # 云端存储的文件名称都是shixun_id.json,并且要保证都是有答案的.
 # 阿里云 OSS 配置
 access_key_id = 'LTAI5t927vdUFZa9NRnWfrL3'
@@ -29,9 +30,21 @@ def upload(name):
         if 'answer' not in j.keys() or j['answer'] == '':
             # 断言查询结果并抛出异常
             assert False,'答案为空，不予上传'
-    bucket.put_object_from_file(name, name)
+    # 再检查文件是否存在，如果不存在，则上传
+    if not is_exist(name):
+        bucket.put_object_from_file(name, name)
 
 def delete(name):
-    bucket.delete_object(name)
+    # 先检查文件是否存在，如果存在，则删除
+    if is_exist(name):
+        bucket.delete_object(name)
+
+if __name__ == '__main__':
+    # 测试用
+    # print(is_exist('18503.json'))
+    # download('18503.json')
+    # delete('18503.json')
+    for obj in oss2.ObjectIterator(bucket):
+        print(obj.key)
+
 
-delete('18503.json')
\ No newline at end of file
diff --git a/demo.py b/demo.py
index 41b05df..f1a6e7c 100644
--- a/demo.py
+++ b/demo.py
@@ -1,5 +1,7 @@
 import json
-with open('demo.json','r',encoding='utf-8') as f:
+with open('18503.json','r',encoding='utf-8') as f:
     data = json.load(f)
-for i,j in enumerate(data.items()):
-    print(i,j[-1])
\ No newline at end of file
+
+for i,j in data.items():
+    print(j['answer'])
+    print('-'*50)
\ No newline at end of file
diff --git a/demo.txt b/demo.txt
new file mode 100644
index 0000000..6ab02de
--- /dev/null
+++ b/demo.txt
@@ -0,0 +1,48 @@
+import sys
+from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QTextEdit
+from PyQt5.QtCore import QTimer
+
+class TypewriterEffectApp(QWidget):
+    def __init__(self, filepath):
+        super().__init__()
+        self.filepath = filepath
+        self.initUI()
+        self.startTyping()
+
+    def initUI(self):
+        # 设置窗口布局和控件
+        layout = QVBoxLayout(self)
+        self.textEdit = QTextEdit(self)
+        self.textEdit.setReadOnly(True)
+        layout.addWidget(self.textEdit)
+
+        # 设置窗口
+        self.setWindowTitle("Typewriter Effect")
+        self.setGeometry(300, 300, 600, 400)
+
+    def startTyping(self):
+        # 读取文件内容
+        with open(self.filepath, 'r') as file:
+            self.content = file.read()
+
+        # 设置定时器逐字显示文本
+        self.index = 0
+        self.timer = QTimer(self)
+        self.timer.timeout.connect(self.displayNextCharacter)
+        self.timer.start(100)  # 设置间隔（毫秒）
+
+    def displayNextCharacter(self):
+        if self.index < len(self.content):
+            self.textEdit.insertPlainText(self.content[self.index])
+            self.index += 1
+        else:
+            self.timer.stop()
+
+def main():
+    app = QApplication(sys.argv)
+    ex = TypewriterEffectApp('path_to_text_file.txt')  # 替换为您的文件路径
+    ex.show()
+    sys.exit(app.exec_())
+
+if __name__ == '__main__':
+    main()
diff --git a/demo2.txt b/demo2.txt
new file mode 100644
index 0000000..400ddca
--- /dev/null
+++ b/demo2.txt
@@ -0,0 +1,5 @@
+为了在您的代码中加入光标闪烁效果，我们可以使用一个额外的定时器来控制一个虚拟光标（例如一个竖线符号 '|'）的显示和隐藏。这样，您的应用程序在显示文本的同时，也会模拟一个正在输入的效果。
+
+以下是修改后的代码：
+
+修改后的代码
\ No newline at end of file
diff --git a/get_answer.py b/get_answer.py
index 78a7ce3..0e181ec 100644
--- a/get_answer.py
+++ b/get_answer.py
@@ -31,8 +31,6 @@ with open(json_name,'r',encoding='utf-8') as f:
 用于构造请求的参数：describe,require,code
 向GPT提问的格式：promot + 参数模板化的问题
 '''
-os.environ['http_proxy'] = 'http://127.0.0.1:10809'
-os.environ['https_proxy'] = 'http://127.0.0.1:10809'
 
 promot = '现在，我想让你扮演一个Python程序员来解一个问题，我的问题将由三个部分组成，第一部分是问题的描述，第二部分是问题的需求，第三部分是问题的代码，我需要你按照我的模板编写代码。并且你返回的代码应当是带有注释的'
 #构造问题模板
@@ -45,7 +43,8 @@ promot = '现在，我想让你扮演一个Python程序员来解一个问题，
 
 # 初始化异步客户端
 client = AsyncOpenAI(
-    api_key='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'
+    api_key='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',
+    base_url='https://api.op-enai.com/v1'
 )
 def get_answer_from_api(jsonfile:dict,client:AsyncOpenAI,promot:str) -> dict:
     data = jsonfile
@@ -74,10 +73,10 @@ def get_answer_from_api(jsonfile:dict,client:AsyncOpenAI,promot:str) -> dict:
         tasks = [get_answer(cid,value) for cid,value in data.items()]
         answers = await asyncio.gather(*tasks) # 返回一个列表，列表中的每个元素为每个异步任务的返回值
         #由于异步获得的答案顺序不确定，需要处理,先把答案按照关卡id排序
-        answers.sort(key=lambda x:int(x.split('/')[0]))
+        answers = sorted(answers,key=lambda x:int(x.split('/')[0]))
         # 在data的每个value中新增一个键值对，键为answer，值为答案，并作为返回值返回
         for i in range(len(answers)):
-            ansewer_data[list(ansewer_data.keys())[i]]['answer'] = answers[i]
+            ansewer_data[list(ansewer_data.keys())[i]]['answer'].split('/')[-1] = answers[i]
 
         return ansewer_data
 
diff --git a/get_params.py b/get_params.py
index e2f1528..fe1fc54 100644
--- a/get_params.py
+++ b/get_params.py
@@ -190,3 +190,5 @@ def get_parameters(url:str,user_name:str,password:str):
     else:
         print('这不是一个实训作业')
         exit()
+
+get_parameters(url,user_name,password)
\ No newline at end of file
diff --git a/login_ui.py b/login_ui.py
index fa07d82..07c186a 100644
--- a/login_ui.py
+++ b/login_ui.py
@@ -16,7 +16,7 @@ class MyApp(QWidget):
 
     def initUI(self):
         # 加载背景图片
-        self.background = QPixmap('picture\\b2.png')
+        self.background = QPixmap('/Users/xuxiaolan/PycharmProjects/GPTPowered_EducoderHelper/picture/b2.png')
         # 创建一个垂直布局
         mainLayout = QVBoxLayout()
 
diff --git a/printtxt.py b/printtxt.py
new file mode 100644
index 0000000..7f9e2b6
--- /dev/null
+++ b/printtxt.py
@@ -0,0 +1,84 @@
+import sys
+from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QTextEdit, QDesktopWidget, QScrollBar
+from PyQt5.QtCore import QTimer
+from PyQt5.QtGui import QFont
+
+class TypewriterEffectApp(QWidget):
+    def __init__(self, filepaths):
+        super().__init__()
+        self.filepaths = filepaths
+        self.userIsScrolling = False
+        self.initUI()
+        self.startTyping()
+
+    def initUI(self):
+        layout = QVBoxLayout(self)
+        self.textEdit = QTextEdit(self)
+        self.textEdit.setReadOnly(True)
+        self.textEdit.setFont(QFont('Microsoft YaHei', 16))
+        layout.addWidget(self.textEdit)
+
+        self.setWindowSizeAndCenter()
+
+        # 连接滚动条的valueChanged信号
+        self.textEdit.verticalScrollBar().valueChanged.connect(self.onScrollBarValueChanged)
+
+    def setWindowSizeAndCenter(self):
+        screen = QDesktopWidget().availableGeometry()
+        self.resize(int(screen.width() * 0.75), int(screen.height() * 0.75))
+        self.centerWindow()
+
+    def centerWindow(self):
+        qr = self.frameGeometry()
+        cp = QDesktopWidget().availableGeometry().center()
+        qr.moveCenter(cp)
+        self.move(qr.topLeft())
+
+    def startTyping(self):
+        self.content = ""
+        for filepath in self.filepaths:
+            with open(filepath, 'r') as file:
+                self.content += file.read() + "\n" + "-"*50 + "\n"
+
+        self.index = 0
+        self.timer = QTimer(self)
+        self.timer.timeout.connect(self.displayNextCharacter)
+        self.timer.start(5)
+
+    def displayNextCharacter(self):
+        if self.index < len(self.content):
+            char = self.content[self.index]
+            #如果char和下一个字符是\n，那么就要执行换行
+            if char == '\n' and self.content[self.index+1] == '\n':
+                text_to_display = self.textEdit.toPlainText() + '\n\n'
+                self.index += 1
+            elif char == '\\t':
+                # 对制表符进行处理
+                text_to_display = self.textEdit.toPlainText() + '\t'
+            else:
+                # 普通字符
+                text_to_display = self.textEdit.toPlainText() + char
+
+            # 添加光标（移除啦，加了总是有神奇bug）
+            #text_to_display += '|' if self.cursorVisible else ''
+            self.textEdit.setPlainText(text_to_display)
+            self.index += 1
+            self.textEdit.ensureCursorVisible()  # 始终滚动到底部
+        else:
+            self.timer.stop()
+            #self.cursorTimer.stop()  # 停止光标闪烁
+
+
+    def onScrollBarValueChanged(self, value):
+        scroll_bar = self.textEdit.verticalScrollBar()
+        self.userIsScrolling = value < scroll_bar.maximum()
+
+def main():
+    app = QApplication(sys.argv)
+    filepaths = ['18503 copy.json']  # 替换为您的文件路径
+    ex = TypewriterEffectApp(filepaths)
+    ex.show()
+    sys.exit(app.exec_())
+
+if __name__ == '__main__':
+    main()
diff --git a/show_welcome.py b/show_welcome.py
index 0466650..2aac2f0 100644
--- a/show_welcome.py
+++ b/show_welcome.py
@@ -38,7 +38,7 @@ class ImageWindow(QWidget):
 
 def show_image():
     app = QApplication(sys.argv)
-    ex = ImageWindow('picture\\b2txt.png')  # 图片路径
+    ex = ImageWindow('/Users/xuxiaolan/PycharmProjects/GPTPowered_EducoderHelper/picture/b2txt.png')  # 图片路径
     ex.show()
     sys.exit(app.exec_())