diff --git a/Cargo.lock b/Cargo.lock
index f79b0748a65..52fb33272a6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3005,7 +3005,7 @@ checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 [[package]]
 name = "unicode_names2"
 version = "0.6.0"
-source = "git+https://github.com/youknowone/unicode_names2.git?rev=4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde#4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde"
+source = "git+https://ghproxy.com/https://github.com/youknowone/unicode_names2.git?rev=4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde#4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde"
 dependencies = [
  "phf",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 8fd494a67fb..8435ad5d716 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -76,7 +76,7 @@ static_assertions = "1.1"
 syn = "1.0.91"
 thiserror = "1.0"
 thread_local = "1.1.4"
-unicode_names2 = { version = "0.6.0", git = "https://github.com/youknowone/unicode_names2.git", rev = "4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde" }
+unicode_names2 = { version = "0.6.0", git = "https://ghproxy.com/https://github.com/youknowone/unicode_names2.git", rev = "4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde" }
 widestring = "0.5.1"
 
 [features]
diff --git a/examples/package_embed.py b/examples/package_embed.py
index 6aeb723ac64..711484448e5 100644
--- a/examples/package_embed.py
+++ b/examples/package_embed.py
@@ -1,5 +1,8 @@
+import sys
+sys.path.append('/usr/lib/rustpython')
 from dataclasses import dataclass
 from typing import Any
+import encodings
 
 __all__ = ["context"]
 
@@ -17,6 +20,13 @@ class Context:
 
 
 def context() -> Context:
+    import urllib.request
+
+    url = 'http://www.baidu.com'
+    response = urllib.request.urlopen(url)
+    html = response.read()
+
+    print(html)
     return _context