diff --git a/soong_workflow/models/soong_workflow_mixin.py b/soong_workflow/models/soong_workflow_mixin.py
index 0e01b1191..83dd0d4ff 100644
--- a/soong_workflow/models/soong_workflow_mixin.py
+++ b/soong_workflow/models/soong_workflow_mixin.py
@@ -203,6 +203,9 @@ class SoongWorkflowMixin(models.AbstractModel):
 
             # 取当前登录人对应日志的最后一条（最新的）
             current_user_last_log = user_matched_logs[-1]
+            if current_user_last_log.name == '加签':
+                record.is_back = False
+                continue
             all_sorted_logs = record.log_ids.sorted(key=lambda log: log.create_date)
             all_sorted_list = record.log_ids.sorted(key=lambda log: log.create_date).ids
             # 找到当前日志在所有日志中的索引