diff --git a/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/app/AppEvalSignTaskController.java b/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/app/AppEvalSignTaskController.java
index d9b7135..baeb3d2 100644
--- a/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/app/AppEvalSignTaskController.java
+++ b/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/app/AppEvalSignTaskController.java
@@ -42,6 +42,9 @@ public class AppEvalSignTaskController {
     @ApiOperation("签字统计")
     @PostMapping("/signStatistics")
     public SingleResponse<EvalSignTaskStatisticsCO> signStatistics(@RequestBody EvalSignTaskPageQuery cmd) {
+        if (!StringUtils.hasText(cmd.getSignerPersonnelId())) {
+            cmd.setSignerPersonnelId(String.valueOf(AuthUserContextAdapter.getCurrentUserId()));
+        }
         return evalSignTaskApi.signStatistics(cmd);
     }
 }