diff --git a/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/InstitutionEvalReportController.java b/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/InstitutionEvalReportController.java
index 91885774..584f7a6b 100644
--- a/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/InstitutionEvalReportController.java
+++ b/safety-eval-adapter/src/main/java/org/qinan/safetyeval/adapter/web/institution/InstitutionEvalReportController.java
@@ -12,6 +12,7 @@ import org.qinan.safetyeval.client.dto.SingleResponse;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportAddCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportBatchSubmitCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPageQuery;
+import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPreparationCompleteCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportSubmitCmd;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
@@ -62,4 +63,11 @@ public class InstitutionEvalReportController {
             @Validated @RequestBody InstitutionEvalReportBatchSubmitCmd cmd) {
         return institutionEvalReportApi.batchSubmit(cmd);
     }
+
+    @ApiOperation("完成报告编制（REPORT_PREPARATION 节点置为已完成，项目须未归档）")
+    @PostMapping("/preparation/complete")
+    public SingleResponse<Void> completePreparation(
+            @Validated @RequestBody InstitutionEvalReportPreparationCompleteCmd cmd) {
+        return institutionEvalReportApi.completePreparation(cmd);
+    }
 }
diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/WpsExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/WpsExecutor.java
index 90dbf849..92cf4172 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/WpsExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/WpsExecutor.java
@@ -271,7 +271,7 @@ public class WpsExecutor implements WpsApi {
             WpsDocEntity updated = wpsDocDomainService.completeSave(doc, versionEntity);
             log.info("wps upload complete, body={}", JSON.toJSONString(body));
             // 修改节点状态
-            projectStageSyncService.onNodeCompleted(doc.getProjectId(), ProjectStageEnum.REPORT_PREPARATION.getNode());
+//            projectStageSyncService.onNodeCompleted(doc.getProjectId(), ProjectStageEnum.REPORT_PREPARATION.getNode());
             return ok(wpsCmdConvertor.toFileCO(updated));
         } catch (BizException e) {
             return fail(e);
diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/InstitutionEvalReportExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/InstitutionEvalReportExecutor.java
index 3e31e264..d3524480 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/InstitutionEvalReportExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/InstitutionEvalReportExecutor.java
@@ -11,12 +11,17 @@ import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPageQuer
 import org.qinan.safetyeval.client.co.report.InstitutionEvalReportBatchSubmitResultCO;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportSubmitCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportBatchSubmitCmd;
+import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPreparationCompleteCmd;
+import org.qinan.safetyeval.domain.entity.EvalProjectEntity;
 import org.qinan.safetyeval.domain.entity.EvalReportEntity;
 import org.qinan.safetyeval.domain.exception.BizException;
 import org.qinan.safetyeval.domain.exception.ErrorCode;
 import org.qinan.safetyeval.domain.query.EvalReportQuery;
 import org.qinan.safetyeval.domain.query.PageResult;
+import org.qinan.safetyeval.domain.service.EvalProjectDomainService;
 import org.qinan.safetyeval.domain.service.EvalReportDomainService;
+import org.qinan.safetyeval.domain.service.ProjectStageSyncService;
+import org.qinan.safetyeval.domain.support.EvalNodeCodes;
 import org.qinan.safetyeval.infrastructure.support.InstitutionOrgSupport;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
@@ -39,6 +44,14 @@ public class InstitutionEvalReportExecutor implements InstitutionEvalReportApi {
     @Autowired(required = false)
     private InstitutionOrgSupport institutionOrgSupport;
 
+    @Lazy
+    @Autowired(required = false)
+    private EvalProjectDomainService evalProjectDomainService;
+
+    @Lazy
+    @Autowired(required = false)
+    private ProjectStageSyncService projectStageSyncService;
+
     @Override
     public PageResponse<EvalReportLibraryCO> page(InstitutionEvalReportPageQuery query) {
         EvalReportQuery domainQuery = new EvalReportQuery();
@@ -146,6 +159,21 @@ public class InstitutionEvalReportExecutor implements InstitutionEvalReportApi {
         return SingleResponse.success(result);
     }
 
+    /**
+     * 完成报告编制：将项目节点 REPORT_PREPARATION（NODE_05）的 state 置为 1。
+     * 前提条件：项目未归档（assertModifiable 校验 archiveFlag=1 时抛 EVAL_PROJECT_ARCHIVED）。
+     */
+    @Override
+    public SingleResponse<Void> completePreparation(InstitutionEvalReportPreparationCompleteCmd cmd) {
+        EvalProjectEntity project = evalProjectDomainService.get(cmd.getProjectId());
+        if(project == null){
+            throw new BizException(ErrorCode.EVAL_PROJECT_NOT_FOUND);
+        }
+        evalProjectDomainService.assertModifiable(project);
+        projectStageSyncService.onNodeCompleted(cmd.getProjectId(), EvalNodeCodes.NODE_05);
+        return SingleResponse.success();
+    }
+
     private void addFail(InstitutionEvalReportBatchSubmitResultCO result, Long id, String reason) {
         InstitutionEvalReportBatchSubmitResultCO.FailItem item = new InstitutionEvalReportBatchSubmitResultCO.FailItem();
         item.setId(id);
diff --git a/safety-eval-client/src/main/java/org/qinan/safetyeval/client/api/institution/InstitutionEvalReportApi.java b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/api/institution/InstitutionEvalReportApi.java
index 4887391c..7295aeb1 100644
--- a/safety-eval-client/src/main/java/org/qinan/safetyeval/client/api/institution/InstitutionEvalReportApi.java
+++ b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/api/institution/InstitutionEvalReportApi.java
@@ -8,6 +8,7 @@ import org.qinan.safetyeval.client.dto.SingleResponse;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportAddCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportBatchSubmitCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPageQuery;
+import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportPreparationCompleteCmd;
 import org.qinan.safetyeval.client.dto.institution.InstitutionEvalReportSubmitCmd;
 
 public interface InstitutionEvalReportApi {
@@ -27,4 +28,13 @@ public interface InstitutionEvalReportApi {
      * 复用单条 submit 的报送规则，逐条报送并收集失败明细，不因单条失败中断整体。
      */
     SingleResponse<InstitutionEvalReportBatchSubmitResultCO> batchSubmit(InstitutionEvalReportBatchSubmitCmd cmd);
+
+    /**
+     * 完成报告编制：将项目节点 REPORT_PREPARATION 的 state 置为 1（已完成）。
+     * 前提条件：项目未归档，已归档项目不可修改。
+     *
+     * @param cmd 含项目ID
+     * @return 无数据返回
+     */
+    SingleResponse<Void> completePreparation(InstitutionEvalReportPreparationCompleteCmd cmd);
 }
diff --git a/safety-eval-client/src/main/java/org/qinan/safetyeval/client/dto/institution/InstitutionEvalReportPreparationCompleteCmd.java b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/dto/institution/InstitutionEvalReportPreparationCompleteCmd.java
new file mode 100644
index 00000000..2786c8e4
--- /dev/null
+++ b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/dto/institution/InstitutionEvalReportPreparationCompleteCmd.java
@@ -0,0 +1,17 @@
+package org.qinan.safetyeval.client.dto.institution;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotNull;
+
+/**
+ * 机构端完成报告编制（将项目节点 REPORT_PREPARATION 置为已完成）
+ */
+@Data
+public class InstitutionEvalReportPreparationCompleteCmd {
+
+    @NotNull(message = "项目ID不能为空")
+    @ApiModelProperty(value = "项目ID", required = true)
+    private Long projectId;
+}