diff --git a/app/services/comprehensive.py b/app/services/comprehensive.py
index bbffe6b..4693c64 100644
--- a/app/services/comprehensive.py
+++ b/app/services/comprehensive.py
@@ -379,7 +379,9 @@ class ComprehensiveDataService:
             for nyid in section_nyids:
                 if nyid in level_data_by_nyid:
                     for ld in level_data_by_nyid[nyid]:
-                        section_level_data.append(ld.to_dict())
+                        # 防止重复
+                        if ld.to_dict() not in section_level_data:
+                            section_level_data.append(ld.to_dict())
 
             section_dict["checkpoints"] = checkpoints_data
             section_dict["level_data"] = section_level_data