diff --git a/gateway/platforms/wecom.py b/gateway/platforms/wecom.py
index 873284de7961..c93a8fe3d65b 100644
--- a/gateway/platforms/wecom.py
+++ b/gateway/platforms/wecom.py
@@ -1015,6 +1015,8 @@ def _decrypt_file_bytes(encrypted_data: bytes, aes_key: str) -> bytes:
         if not aes_key:
             raise ValueError("aes_key is required")
 
+        # WeCom doesn't pad base64 keys; add padding if needed
+        aes_key = aes_key + '=' * ((4 - len(aes_key) % 4) % 4)
         key = base64.b64decode(aes_key)
         if len(key) != 32:
             raise ValueError(f"Invalid WeCom AES key length: expected 32 bytes, got {len(key)}")
diff --git a/scripts/release.py b/scripts/release.py
index 801c35c023da..ea29bac0bbfa 100755
--- a/scripts/release.py
+++ b/scripts/release.py
@@ -60,6 +60,7 @@
     "74554762+wmagev@users.noreply.github.com": "wmagev",
     "ashermorse@icloud.com": "ashermorse",
     "happy5318@users.noreply.github.com": "happy5318",
+    "chengoak@users.noreply.github.com": "chengoak",
     "emelyanenko.kirill@gmail.com": "EmelyanenkoK",
     # Matrix parity salvage batch (April 2026)
     "sr@samirusani": "samrusani",