diff --git a/docs/sql/20260813_eval_process_control_rename_status_name.sql b/docs/sql/20260813_eval_process_control_rename_status_name.sql
index cd7f905e..34e9898b 100644
--- a/docs/sql/20260813_eval_process_control_rename_status_name.sql
+++ b/docs/sql/20260813_eval_process_control_rename_status_name.sql
@@ -1,9 +1,13 @@
 -- =====================================================================
 -- 变更说明:
---   eval_process_control 表将 status_name(节点状态名称, varchar(50))
---   修改为 controller_personnel_sign_time(过控负责人签字时间, datetime)
+--   1. eval_process_control 表将 status_name(节点状态名称, varchar(50))
+--      修改为 controller_personnel_sign_time(过控负责人签字时间, datetime)
+--   2. eval_process_control 表为 control_time(办理时间) 添加索引 idx_control_time
 -- 变更时间: 2026-08-13
 -- =====================================================================
 
 ALTER TABLE `eval_process_control`
   CHANGE COLUMN `status_name` `controller_personnel_sign_time` datetime NULL COMMENT '过控负责人签字时间';
+
+ALTER TABLE `eval_process_control`
+  ADD INDEX `idx_control_time` (`control_time`);
diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalProcessControlExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalProcessControlExecutor.java
index 9805dfa0..286009e0 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalProcessControlExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalProcessControlExecutor.java
@@ -363,7 +363,6 @@ public class EvalProcessControlExecutor implements EvalProcessControlApi {
         entity.setArchiveFlag(1);
         entity.setStatusCode(3);
         evalProjectNodeSupport.fillNodeStatus(3, entity);
-        entity.setControlTime(LocalDateTime.now());
         entity = evalProcessControlGateway.modify(entity);
 
         EvalReportEntity report = buildReport(project);