diff --git a/python/sglang/multimodal_gen/runtime/distributed/yunchang.py b/python/sglang/multimodal_gen/runtime/distributed/parallel_groups.py
similarity index 100%
rename from python/sglang/multimodal_gen/runtime/distributed/yunchang.py
rename to python/sglang/multimodal_gen/runtime/distributed/parallel_groups.py
diff --git a/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py b/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
index 72cb802d8..adbabaec9 100644
--- a/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
+++ b/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
@@ -405,8 +405,8 @@ def initialize_model_parallel(
     assert _SP is None, "sequence parallel group is already initialized"
 
     try:
-        from .yunchang import PROCESS_GROUP as _YC_PROCESS_GROUP
-        from .yunchang import (
+        from .parallel_groups import PROCESS_GROUP as _YC_PROCESS_GROUP
+        from .parallel_groups import (
             set_seq_parallel_pg_by_sp_groups as _set_seq_parallel_pg_by_sp_groups,
         )
     except ImportError: