diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/constant/OvertimeApplicationConstants.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/constant/OvertimeApplicationConstants.java
index b9a5cc5..04b4371 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/constant/OvertimeApplicationConstants.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/constant/OvertimeApplicationConstants.java
@@ -16,6 +16,11 @@ public final class OvertimeApplicationConstants {
     public static final String STATUS_REJECTED = "rejected";
     public static final String STATUS_CANCELLED = "cancelled";
 
+    /**
+     * 新建即提交的业务日志动作。
+     * <p>
+     * 该动作仅用于状态日志、审计日志留痕，不要求在 rdms_object_status_transition 中存在显式流转配置。
+     */
     public static final String ACTION_SUBMIT = "submit";
     public static final String ACTION_RESUBMIT = "resubmit";
     public static final String ACTION_APPROVE = "approve";
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/OvertimeApplicationController.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/OvertimeApplicationController.java
index 99488a4..ad95174 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/OvertimeApplicationController.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/OvertimeApplicationController.java
@@ -52,11 +52,11 @@ public class OvertimeApplicationController {
     }
 
     @PutMapping("/{id}")
-    @Operation(summary = "退回后修改并重新提交加班申请")
+    @Operation(summary = "退回或撤销后修改并重新提交加班申请")
     @PreAuthorize("@ss.hasPermission('" + OvertimeApplicationConstants.PERMISSION_UPDATE + "')")
-    public CommonResult<Boolean> updateRejected(@PathVariable("id") Long id,
-                                                @Valid @RequestBody OvertimeApplicationSaveReqVO reqVO) {
-        overtimeApplicationService.updateRejectedApplication(id, reqVO);
+    public CommonResult<Boolean> resubmit(@PathVariable("id") Long id,
+                                          @Valid @RequestBody OvertimeApplicationSaveReqVO reqVO) {
+        overtimeApplicationService.resubmitApplication(id, reqVO);
         return success(true);
     }
 
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/vo/OvertimeApplicationStatusActionReqVO.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/vo/OvertimeApplicationStatusActionReqVO.java
index 70e8ecd..f81b2e1 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/vo/OvertimeApplicationStatusActionReqVO.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/controller/admin/overtime/vo/OvertimeApplicationStatusActionReqVO.java
@@ -8,7 +8,8 @@ import lombok.Data;
 @Data
 public class OvertimeApplicationStatusActionReqVO {
 
-    @Schema(description = "动作原因或审核意见。退回、撤销必填", example = "请补充加班内容")
-    @Size(max = 1000, message = "动作原因长度不能超过1000个字符")
+    @Schema(description = "动作原因或审核意见。是否必填以状态机配置为准；当前退回必填，撤销选填",
+            example = "请补充加班内容")
+    @Size(max = 1000, message = "动作原因长度不能超过 1000 个字符")
     private String reason;
 }
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationService.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationService.java
index d9c1aad..5fceb8e 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationService.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationService.java
@@ -14,7 +14,7 @@ public interface OvertimeApplicationService {
 
     Long createApplication(OvertimeApplicationSaveReqVO reqVO);
 
-    void updateRejectedApplication(Long id, OvertimeApplicationSaveReqVO reqVO);
+    void resubmitApplication(Long id, OvertimeApplicationSaveReqVO reqVO);
 
     void approve(Long id, OvertimeApplicationStatusActionReqVO reqVO);
 
diff --git a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationServiceImpl.java b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationServiceImpl.java
index e8046e4..d6a57ad 100644
--- a/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationServiceImpl.java
+++ b/rdms-project/rdms-project-boot/src/main/java/com/njcn/rdms/module/project/service/overtime/OvertimeApplicationServiceImpl.java
@@ -75,6 +75,7 @@ public class OvertimeApplicationServiceImpl implements OvertimeApplicationServic
         application.setApprovalTime(null);
         overtimeApplicationMapper.insert(application);
 
+        // 创建即进入初始状态 pending，这里保留 submit 作为业务留痕动作，不依赖状态机流转表存在 submit 配置。
         writeStatusLog(application, OvertimeApplicationConstants.ACTION_SUBMIT, null, initialStatus, null);
         writeAuditLog(application, OvertimeApplicationConstants.ACTION_SUBMIT, null, initialStatus, null, null, null);
         return application.getId();
@@ -82,7 +83,7 @@ public class OvertimeApplicationServiceImpl implements OvertimeApplicationServic
 
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public void updateRejectedApplication(Long id, OvertimeApplicationSaveReqVO reqVO) {
+    public void resubmitApplication(Long id, OvertimeApplicationSaveReqVO reqVO) {
         Long loginUserId = SecurityFrameworkUtils.getLoginUserId();
         OvertimeApplicationDO current = validateApplicationExists(id);
         if (!Objects.equals(current.getApplicantId(), loginUserId)) {
@@ -102,7 +103,7 @@ public class OvertimeApplicationServiceImpl implements OvertimeApplicationServic
         update.setApprovalTime(null);
 
         int updateCount = overtimeApplicationMapper.updateByIdAndStatusesAndApplicantId(update, id,
-                List.of(OvertimeApplicationConstants.STATUS_PENDING, OvertimeApplicationConstants.STATUS_REJECTED),
+                List.of(OvertimeApplicationConstants.STATUS_REJECTED, OvertimeApplicationConstants.STATUS_CANCELLED),
                 loginUserId);
         if (updateCount != 1) {
             throw exception(ErrorCodeConstants.OVERTIME_APPLICATION_STATUS_CONCURRENT_MODIFIED);