diff --git a/backend/src/main/java/io/metersphere/notice/sender/SendNoticeAspect.java b/backend/src/main/java/io/metersphere/notice/sender/SendNoticeAspect.java
index dd62d85463..d69a4ce34a 100644
--- a/backend/src/main/java/io/metersphere/notice/sender/SendNoticeAspect.java
+++ b/backend/src/main/java/io/metersphere/notice/sender/SendNoticeAspect.java
@@ -35,6 +35,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import static com.alibaba.fastjson.serializer.SerializerFeature.WriteMapNullValue;
+
 @Aspect
 @Component
 public class SendNoticeAspect {
@@ -81,7 +83,7 @@ public class SendNoticeAspect {
                 Expression titleExp = parser.parseExpression(target);
                 Object v = titleExp.getValue(context, Object.class);
                 Map<String, Object> memberValues = (Map<String, Object>) value.get(invocationHandler);
-                memberValues.put("source", JSON.toJSONString(v));
+                memberValues.put("source", JSON.toJSONString(v, WriteMapNullValue));
             }
         } catch (Exception e) {
             LogUtil.error(e.getMessage(), e);
@@ -119,7 +121,7 @@ public class SendNoticeAspect {
                 Object v = titleExp.getValue(context, Object.class);
                 if (v != null) {
                     Map<String, Object> memberValues = (Map<String, Object>) value.get(invocationHandler);
-                    memberValues.put("source", JSON.toJSONString(v));
+                    memberValues.put("source", JSON.toJSONString(v, WriteMapNullValue));
                 }
             }
 
diff --git a/backend/src/main/java/io/metersphere/track/controller/TestPlanController.java b/backend/src/main/java/io/metersphere/track/controller/TestPlanController.java
index d650310393..a6b0db84de 100644
--- a/backend/src/main/java/io/metersphere/track/controller/TestPlanController.java
+++ b/backend/src/main/java/io/metersphere/track/controller/TestPlanController.java
@@ -133,7 +133,7 @@ public class TestPlanController {
     @PostMapping("/delete/{testPlanId}")
     @RequiresPermissions(PermissionConstants.PROJECT_TRACK_PLAN_READ_DELETE)
     @MsAuditLog(module = "track_test_plan", type = OperLogConstants.DELETE, beforeEvent = "#msClass.getLogDetails(#testPlanId)", msClass = TestPlanService.class)
-    @SendNotice(taskType = NoticeConstants.TaskType.TEST_PLAN_TASK, target = "#targetClass.getTestPlan(#testPlanId)", targetClass = TestPlanService.class,
+    @SendNotice(taskType = NoticeConstants.TaskType.TEST_PLAN_TASK, target = "#targetClass.get(#testPlanId)", targetClass = TestPlanService.class,
             event = NoticeConstants.Event.DELETE, mailTemplate = "track/TestPlanDelete", subject = "测试计划通知")
     public int deleteTestPlan(@PathVariable String testPlanId) {
         checkPermissionService.checkTestPlanOwner(testPlanId);
diff --git a/backend/src/main/java/io/metersphere/track/service/TestPlanService.java b/backend/src/main/java/io/metersphere/track/service/TestPlanService.java
index 01c62a9203..4ff72b95ec 100644
--- a/backend/src/main/java/io/metersphere/track/service/TestPlanService.java
+++ b/backend/src/main/java/io/metersphere/track/service/TestPlanService.java
@@ -243,6 +243,10 @@ public class TestPlanService {
         return Optional.ofNullable(testPlanMapper.selectByPrimaryKey(testPlanId)).orElse(new TestPlanWithBLOBs());
     }
 
+    public TestPlanWithBLOBs get(String testPlanId) {
+        return testPlanMapper.selectByPrimaryKey(testPlanId);
+    }
+
     public TestPlan editTestPlanWithRequest(AddTestPlanRequest request) {
         List<String> principals = request.getPrincipals();
         if (!CollectionUtils.isEmpty(principals)) {