完善文档

Author: Boris-code

docs/source_code/proxy.md

@@ -53,9 +53,8 @@ ip:port
 1. 编写代理池：例如在你的项目下创建个my_proxypool.py，实现下面的函数
 
     ```python
-    from feapder.network.proxy_pool import ProxyPool
-    
-    
+    from feapder.network.proxy_pool import ProxyPool 
+        
     class MyProxyPool(ProxyPool):
         def get_proxy(self):
             """
@@ -64,7 +63,7 @@ ip:port
                 {"http": "xxx", "https": "xxx"}
             """
             pass
-    
+        
         def del_proxy(self, proxy):
             """
             @summary: 删除代理