diff --git a/server/apps/ability/views.py b/server/apps/ability/views.py
index 8930ce1..80615ec 100644
--- a/server/apps/ability/views.py
+++ b/server/apps/ability/views.py
@@ -642,8 +642,8 @@ def import_cma2(filename, path):
     sheet = wb.worksheets[0]
     datalist = []
     sszx = filename.split('-')[0]
-    if CMA.objects.filter(sszx=sszx, type='sub').exists():
-        CMA.objects.filter(sszx=sszx, type='sub').delete()
+    # if CMA.objects.filter(sszx=sszx, type='sub').exists():
+    #     CMA.objects.filter(sszx=sszx, type='sub').delete()
     i = 3
     max_row = sheet.max_row
     defaultv = {}