diff --git a/apps/cos/client.py b/apps/cos/client.py
index 6786b8b..2adb4a5 100644
--- a/apps/cos/client.py
+++ b/apps/cos/client.py
@@ -107,11 +107,6 @@ async def generate_cos_upload_credential(self, filename: str) -> COSCredential:
                 "cos:UploadPart",
                 "cos:CompleteMultipartUpload",
             ],
-            "condition": {
-                "numeric_less_than_equal": {
-                    "cos:content-length": settings.QCLOUD_COS_MAX_UPLOAD_SIZE,
-                },
-            },
         }
         try:
             sts = Sts(config)