diff --git a/apps/audits/handler.py b/apps/audits/handler.py
index 27b116488..290af552c 100644
--- a/apps/audits/handler.py
+++ b/apps/audits/handler.py
@@ -46,10 +46,8 @@ class OperatorLogHandler(metaclass=Singleton):
             pre_value, value = self._consistent_type_to_str(pre_value, value)
             if sorted(str(value)) == sorted(str(pre_value)):
                 continue
-            if pre_value:
-                before[key] = pre_value
-            if value:
-                after[key] = value
+            before[key] = pre_value
+            after[key] = value
         return before, after
 
     def cache_instance_before_data(self, instance_dict):
diff --git a/apps/audits/utils.py b/apps/audits/utils.py
index 27cdd6e28..3865e9326 100644
--- a/apps/audits/utils.py
+++ b/apps/audits/utils.py
@@ -70,8 +70,10 @@ def _get_instance_field_value(
 
             if getattr(f, 'primary_key', False):
                 f.verbose_name = 'id'
-            elif isinstance(value, (list, dict)):
+            elif isinstance(value, list):
                 value = copy.deepcopy(value)
+            elif isinstance(value, dict):
+                value = dict(copy.deepcopy(value))
             elif isinstance(value, datetime):
                 value = as_current_tz(value).strftime('%Y-%m-%d %H:%M:%S')
             elif isinstance(f, models.OneToOneField) and isinstance(value, models.Model):