diff --git a/admin/dashboard/blueprints/messages.py b/admin/dashboard/blueprints/messages.py
index e8d3be3..2a48b61 100644
--- a/admin/dashboard/blueprints/messages.py
+++ b/admin/dashboard/blueprints/messages.py
@@ -37,9 +37,9 @@ def _extract_emoji_preview_url(xml_text: str) -> str:
     if not xml_text:
         return ''
     patterns = (
-        r'cdnurl\s*=\s*"([^"]+)"',
-        r'encrypturl\s*=\s*"([^"]+)"',
-        r'externurl\s*=\s*"([^"]+)"'
+        r'cdnurl\s*=\s*["\']([^"\']+)["\']',
+        r'encrypturl\s*=\s*["\']([^"\']+)["\']',
+        r'externurl\s*=\s*["\']([^"\']+)["\']'
     )
     for pattern in patterns:
         match = re.search(pattern, xml_text)
diff --git a/static/images/_shared/667ab3a58baabb224db3b19239d02c51.gif b/static/images/_shared/667ab3a58baabb224db3b19239d02c51.gif
deleted file mode 100644
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diff --git a/static/images/_shared/7098af5cbd9432e808e6920042d2b4aa.gif b/static/images/_shared/7098af5cbd9432e808e6920042d2b4aa.gif
deleted file mode 100644
index d98c182..0000000
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diff --git a/static/images/_shared/cdfc9e8af856987b339e6e549ad3ce14.jpg b/static/images/_shared/cdfc9e8af856987b339e6e549ad3ce14.jpg
deleted file mode 100644
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diff --git a/temp/test_emoji_extract.png b/temp/test_emoji_extract.png
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