diff --git a/business/models.py b/business/models.py
index a4b8b98..960c947 100644
--- a/business/models.py
+++ b/business/models.py
@@ -105,7 +105,7 @@ class Schedule(models.Model):
 
 class role(models.Model):
     RoleName = models.CharField(max_length=100) # 角色名称
-    permissionId = models.CharField(max_length=100) #  权限
+    permissionId = models.CharField(max_length=1000) #  权限
     remark = models.CharField(max_length=200)  # 备注
 
 
diff --git a/business/views.py b/business/views.py
index d32e30a..3837c88 100644
--- a/business/views.py
+++ b/business/views.py
@@ -1927,7 +1927,11 @@ class modifypermissions(APIView):
             return Response({'status': 'error', 'message': '缺少参数', 'code': 1}, status=status.HTTP_400_BAD_REQUEST)
         permissionId = ast.literal_eval(permissionId)
         ro = role.objects.get(id=id)
-        ro.permissionId = permissionId
+        # Convert list to compact comma-separated string format to save space
+        if isinstance(permissionId, list):
+            ro.permissionId = ','.join(map(str, permissionId))
+        else:
+            ro.permissionId = str(permissionId)
         ro.save(update_fields=['permissionId'])
 
         return Response({'message': '权限修改成功', 'code': 0}, status=status.HTTP_200_OK)
@@ -1954,10 +1958,14 @@ class getRolePermissions(APIView):
         # 解析权限ID列表
         try:
             if ro.permissionId:
-                permission_ids = ast.literal_eval(ro.permissionId)
-                # 确保返回的是列表
-                if not isinstance(permission_ids, list):
-                    permission_ids = []
+                # Try to parse as comma-separated format first (new format)
+                if ',' in ro.permissionId and not ro.permissionId.strip().startswith('['):
+                    permission_ids = [int(x.strip()) for x in ro.permissionId.split(',') if x.strip()]
+                else:
+                    # Fall back to ast.literal_eval for backward compatibility
+                    permission_ids = ast.literal_eval(ro.permissionId)
+                    if not isinstance(permission_ids, list):
+                        permission_ids = []
             else:
                 permission_ids = []
         except (ValueError, SyntaxError):