diff --git a/opensora/datasets/parallel.py b/opensora/datasets/parallel.py
index 7449343f3..8a687f839 100644
--- a/opensora/datasets/parallel.py
+++ b/opensora/datasets/parallel.py
@@ -71,7 +71,7 @@ def __call__(
 
             return results
 
-        except:
+        except Exception:
             master_workers_queue.put((worker_index, WorkerStatus.Error, None))
             raise
 
diff --git a/opensora/datasets/utils.py b/opensora/datasets/utils.py
index e580735e0..79933863e 100644
--- a/opensora/datasets/utils.py
+++ b/opensora/datasets/utils.py
@@ -23,7 +23,7 @@
     import dask.dataframe as dd
 
     SUPPORT_DASK = True
-except:
+except Exception:
     SUPPORT_DASK = False
 
 VID_EXTENSIONS = (".mp4", ".avi", ".mov", ".mkv")
diff --git a/opensora/models/mmdit/distributed.py b/opensora/models/mmdit/distributed.py
index 9f5288a5a..d6b045d73 100644
--- a/opensora/models/mmdit/distributed.py
+++ b/opensora/models/mmdit/distributed.py
@@ -24,7 +24,7 @@
         _flash_attn_forward as _flash_attn_forward_v3
 
     SUPPORT_FA3 = True
-except:
+except Exception:
     SUPPORT_FA3 = False
 
 from torch import Tensor
diff --git a/opensora/models/mmdit/math.py b/opensora/models/mmdit/math.py
index f09cd97a1..9f3fd9fa3 100644
--- a/opensora/models/mmdit/math.py
+++ b/opensora/models/mmdit/math.py
@@ -9,7 +9,7 @@
     from flash_attn_interface import flash_attn_func as flash_attn_func_v3
 
     SUPPORT_FA3 = True
-except:
+except Exception:
     SUPPORT_FA3 = False
 
 
diff --git a/scripts/cnv/shard.py b/scripts/cnv/shard.py
index 1162cf95d..660cff996 100644
--- a/scripts/cnv/shard.py
+++ b/scripts/cnv/shard.py
@@ -7,7 +7,7 @@
     import dask.dataframe as dd
 
     SUPPORT_DASK = True
-except:
+except Exception:
     SUPPORT_DASK = False