diff --git a/source/Image.py b/source/Image.py
index 84dc00f..3c0b621 100644
--- a/source/Image.py
+++ b/source/Image.py
@@ -6,7 +6,7 @@ __all__ = ['Image']
 
 
 class Image:
-    IMAGE_URL = compile(r'"CRD_WM_.*?","url":"(.*?)"')
+    IMAGE_URL = compile(r'"CRD_WM_[A-Z]{3,4}","url":"(.*?)"')
 
     def get_image_link(self, html: str) -> list:
         return [Html.format_url(i) for i in self.IMAGE_URL.findall(html)]