diff --git a/001 zhihu/myzhihu.py b/001 zhihu/myzhihu.py
index c21b1d2..4c3e94d 100644
--- a/001 zhihu/myzhihu.py	
+++ b/001 zhihu/myzhihu.py	
@@ -44,7 +44,6 @@
 captcharesponse = session.get(url=captchaurl, headers=headers)
 with open('checkcode.gif', 'wb') as f:
     f.write(captcharesponse.content)
-    f.close()
 # os.startfile('checkcode.gif')
 captcha = input('请输入验证码：')
 print(captcha)
diff --git a/001 zhihu/zhihu.py b/001 zhihu/zhihu.py
index d0b7f83..76995cd 100644
--- a/001 zhihu/zhihu.py	
+++ b/001 zhihu/zhihu.py	
@@ -63,7 +63,6 @@ def get_captcha():
     r = session.get(captcha_url, headers=headers)
     with open('captcha.jpg', 'wb') as f:
         f.write(r.content)
-        f.close()
     # 用pillow 的 Image 显示验证码
     # 如果没有安装 pillow 到源代码所在的目录去找到验证码然后手动输入
     try:
diff --git a/003 weibo.cn/m.weibo.cn.py b/003 weibo.cn/m.weibo.cn.py
index 765e2ae..f5498ac 100644
--- a/003 weibo.cn/m.weibo.cn.py	
+++ b/003 weibo.cn/m.weibo.cn.py	
@@ -89,7 +89,6 @@ def login_pre(username):
             capt_base64 = capt_json['data']['image'].split("base64,")[1]
             with open('capt.jpg', 'wb') as f:
                 f.write(base64.b64decode(capt_base64))
-                f.close()
             im = Image.open("capt.jpg")
             im.show()
             im.close()
diff --git a/003 weibo.cn/weibo.cn.py b/003 weibo.cn/weibo.cn.py
index 9768356..35bebb6 100644
--- a/003 weibo.cn/weibo.cn.py	
+++ b/003 weibo.cn/weibo.cn.py	
@@ -48,7 +48,6 @@ def get_cha(capId):
     cha = session.get(cha_url, headers=headers)
     with open('cha.jpg', 'wb') as f:
         f.write(cha.content)
-        f.close()
     try:
         im = Image.open('cha.jpg')
         im.show()
diff --git a/005 webQQ/webQQ.py b/005 webQQ/webQQ.py
index c9b0c72..bc81879 100644
--- a/005 webQQ/webQQ.py	
+++ b/005 webQQ/webQQ.py	
@@ -41,7 +41,6 @@ def showQRImage():
     # print(type(reponse))  >>> <class 'requests.models.Response'>
     with open(QRImgPath, 'wb') as f :
         f.write(reponse.content)
-        f.close()
 
     if sys.platform.find('darwin') >= 0:
         subprocess.call(['open', QRImgPath])
diff --git a/006 webWeixin/webWeixin.py b/006 webWeixin/webWeixin.py
index 5de3d96..ff25c60 100644
--- a/006 webWeixin/webWeixin.py	
+++ b/006 webWeixin/webWeixin.py	
@@ -82,7 +82,6 @@ def showQRImage():
 
     with open(QRImgPath, 'wb') as f:
         f.write(response.content)
-        f.close()
 
     if sys.platform.find('darwin') >= 0:
         subprocess.call(['open', QRImgPath])
diff --git a/007 weibo.com/weibo.com.py b/007 weibo.com/weibo.com.py
index 20d9914..169d9a9 100644
--- a/007 weibo.com/weibo.com.py	
+++ b/007 weibo.com/weibo.com.py	
@@ -96,7 +96,6 @@ def get_cha(pcid):
     cha_page = session.get(cha_url, headers=headers)
     with open("cha.jpg", 'wb') as f:
         f.write(cha_page.content)
-        f.close()
     try:
         im = Image.open("cha.jpg")
         im.show()
diff --git a/007 weibo.com/weibo.qrcode.py b/007 weibo.com/weibo.qrcode.py
index 4bbe12f..7dfa301 100644
--- a/007 weibo.com/weibo.qrcode.py	
+++ b/007 weibo.com/weibo.qrcode.py	
@@ -123,7 +123,6 @@ def get_qrcode():
     image_name = u"cha." + cha_page.headers['content-type'].split("/")[1]
     with open(image_name, 'wb') as f:
         f.write(cha_page.content)
-        f.close()
     return image_name, qrcode_qrid
 
 
diff --git a/019 bilibili/bilibili.py b/019 bilibili/bilibili.py
index e0ddc47..5f80db3 100644
--- a/019 bilibili/bilibili.py	
+++ b/019 bilibili/bilibili.py	
@@ -68,7 +68,6 @@ def get_vdcode():
     r = session.get(captcha_url)
     with open('captcha.jpg', 'wb') as f:
         f.write(r.content)
-        f.close()
     # 用pillow 的 Image 显示验证码
     # 如果没有安装 pillow 到源代码所在的目录去找到验证码然后手动输入
     try: