diff --git a/profiler/msprof_analyze/cluster_analyse/common_func/analysis_loader.py b/profiler/msprof_analyze/cluster_analyse/common_func/analysis_loader.py
index 3fbce82282363b6b1ad8427ef16efc6923c99064..0eba8d77bf6f71b8877260d26bfdb62e31ba47e3 100644
--- a/profiler/msprof_analyze/cluster_analyse/common_func/analysis_loader.py
+++ b/profiler/msprof_analyze/cluster_analyse/common_func/analysis_loader.py
@@ -40,4 +40,5 @@ def get_class_from_name(analysis_name: str):
     specific_analysis = inspect.getmembers(module, is_analysis_class)
     if not specific_analysis:
         logger.error(f"{analysis_name} not found.")
+        return None
     return specific_analysis[0]