diff --git a/arex-schedule-web-api/src/main/java/com/arextest/schedule/model/plan/BuildReplayPlanRequest.java b/arex-schedule-web-api/src/main/java/com/arextest/schedule/model/plan/BuildReplayPlanRequest.java
index 8c5f2111..937f7bc7 100644
--- a/arex-schedule-web-api/src/main/java/com/arextest/schedule/model/plan/BuildReplayPlanRequest.java
+++ b/arex-schedule-web-api/src/main/java/com/arextest/schedule/model/plan/BuildReplayPlanRequest.java
@@ -31,7 +31,7 @@ public class BuildReplayPlanRequest {
    */
   private Integer caseSourceType;
 
-  private int caseCountLimit;
+  private Integer caseCountLimit;
 
   /**
    * yyyy-MM-dd HH:mm:ss
diff --git a/arex-schedule-web-api/src/main/java/com/arextest/schedule/service/PlanProduceService.java b/arex-schedule-web-api/src/main/java/com/arextest/schedule/service/PlanProduceService.java
index cd8ea9dd..d8948872 100644
--- a/arex-schedule-web-api/src/main/java/com/arextest/schedule/service/PlanProduceService.java
+++ b/arex-schedule-web-api/src/main/java/com/arextest/schedule/service/PlanProduceService.java
@@ -233,7 +233,7 @@ public ReplayPlan build(BuildReplayPlanRequest request, PlanContext planContext)
     if (schedule != null) {
       replayPlan.setReplaySendMaxQps(schedule.getSendMaxQps());
     }
-    if (request.getCaseCountLimit() <= 0) {
+    if (request.getCaseCountLimit() == null || request.getCaseCountLimit() <= 0) {
       replayPlan.setCaseCountLimit(OPERATION_MAX_CASE_COUNT);
     } else {
       replayPlan.setCaseCountLimit(request.getCaseCountLimit());
diff --git a/arex-schedule-web-api/src/main/java/com/arextest/schedule/web/controller/ReplayPlanController.java b/arex-schedule-web-api/src/main/java/com/arextest/schedule/web/controller/ReplayPlanController.java
index ffb5fce5..59398d1e 100644
--- a/arex-schedule-web-api/src/main/java/com/arextest/schedule/web/controller/ReplayPlanController.java
+++ b/arex-schedule-web-api/src/main/java/com/arextest/schedule/web/controller/ReplayPlanController.java
@@ -64,6 +64,7 @@ public CommonResponse createPlanGet(@RequestParam(name = "appId") String appId,
       @RequestParam(name = "targetEnv") String targetEnv,
       @RequestParam(name = "caseSourceFrom", required = false) Long caseSourceFrom,
       @RequestParam(name = "caseSourceTo", required = false) Long caseSourceTo,
+      @RequestParam(name = "caseCountLimit", required = false) Integer caseCountLimit,
       @RequestParam(name = "planName", required = false) String planName,
       @RequestParam(name = "operationIds", required = false) List<String> operationIds
   ) {
@@ -74,6 +75,7 @@ public CommonResponse createPlanGet(@RequestParam(name = "appId") String appId,
     req.setReplayPlanType(BuildReplayPlanType.BY_APP_ID.getValue());
     req.setOperator("Webhook");
     req.setPlanName(planName);
+    req.setCaseCountLimit(caseCountLimit);
 
     // date
     Date dateFrom = Optional.ofNullable(caseSourceFrom).map(Date::new)