diff --git a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/controller/ImprovementProposalController.java b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/controller/ImprovementProposalController.java
index 16af363..8bfe805 100644
--- a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/controller/ImprovementProposalController.java
+++ b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/controller/ImprovementProposalController.java
@@ -226,9 +226,9 @@ public class ImprovementProposalController {
 	}
 
 	@PostMapping(value = "/bpm/submitInstituteVote")
-	@Operation(summary = "锁定所级评委投票并汇总结果")
-	public Result<String> submitInstituteVote(@RequestBody ImprovementProposalBpmActionDTO action) {
-		return handleBpmAction(() -> improvementProposalService.submitInstituteVote(action, currentUser()));
+	@Operation(summary = "确认所级评委投票并直接完成流程任务")
+	public Result<String> submitInstituteVote(@RequestBody ImprovementProposalBpmActionDTO action, HttpServletRequest request) {
+		return handleBpmAction(() -> improvementProposalService.submitInstituteVoteAndComplete(action, currentUser(), request));
 	}
 
 	private LoginUser currentUser() {
diff --git a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/IImprovementProposalService.java b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/IImprovementProposalService.java
index fa800f1..b02b44c 100644
--- a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/IImprovementProposalService.java
+++ b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/IImprovementProposalService.java
@@ -8,6 +8,7 @@ import org.jeecg.modules.improvementproposal.dto.ImprovementInstituteVoteCandida
 import org.jeecg.modules.improvementproposal.dto.ImprovementProposalBpmActionDTO;
 import org.jeecg.common.system.vo.LoginUser;
 import com.baomidou.mybatisplus.extension.service.IService;
+import javax.servlet.http.HttpServletRequest;
 import java.io.Serializable;
 import java.util.Collection;
 import java.util.List;
@@ -91,6 +92,9 @@ public interface IImprovementProposalService extends IService<ImprovementProposa
 	/** 锁定当前所级评委的投票并在全员完成后汇总投票结果。 */
 	void submitInstituteVote(ImprovementProposalBpmActionDTO action, LoginUser loginUser);
 
+	/** 锁定投票后，使用通用流程办理能力直接完成当前所级评委任务。 */
+	void submitInstituteVoteAndComplete(ImprovementProposalBpmActionDTO action, LoginUser loginUser, HttpServletRequest request);
+
 	/**
 	 * 获取指定年度最新提案编号中的XXXX部分
 	 *
diff --git a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/impl/ImprovementProposalServiceImpl.java b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/impl/ImprovementProposalServiceImpl.java
index 16dccc4..352889b 100644
--- a/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/impl/ImprovementProposalServiceImpl.java
+++ b/jeecg-module-supervision/src/main/java/org/jeecg/modules/improvementproposal/service/impl/ImprovementProposalServiceImpl.java
@@ -14,6 +14,7 @@ import org.jeecg.common.api.vo.Result;
 import org.jeecg.common.util.oConvertUtils;
 import org.jeecg.common.system.vo.LoginUser;
 import org.jeecg.modules.extbpm.process.service.impl.BpmBaseExtApiImpl;
+import org.jeecg.modules.extbpm.process.service.IExtActTaskCcService;
 import org.springframework.stereotype.Service;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -37,6 +38,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
+import javax.servlet.http.HttpServletRequest;
 
 /**
  * @Description: improvement_proposal
@@ -79,6 +81,8 @@ public class ImprovementProposalServiceImpl extends ServiceImpl<ImprovementPropo
 	private TaskService taskService;
 	@Autowired
 	private ISysRoleService sysRoleService;
+	@Autowired
+	private IExtActTaskCcService extActTaskCcService;
 
 	@Override
 	@Transactional(rollbackFor = Exception.class)
@@ -434,19 +438,25 @@ public class ImprovementProposalServiceImpl extends ServiceImpl<ImprovementPropo
 	@Override
 	@Transactional(rollbackFor = Exception.class)
 	public void submitInstituteVote(ImprovementProposalBpmActionDTO action, LoginUser loginUser) {
+		if (!"agree".equals(action.getVoteResult()) && !"disagree".equals(action.getVoteResult())) {
+			throw new IllegalStateException("投票结果只能是同意或不同意");
+		}
 		ImprovementProposal proposal = validateRunningTask(action, loginUser, TASK_INSTITUTE_VOTE);
 		ImprovementProposal lockedProposal = improvementProposalMapper.selectByIdForUpdate(proposal.getId());
 		if (lockedProposal == null || !action.getProcessInstanceId().equals(lockedProposal.getProcessInstanceId())) {
 			throw new IllegalStateException("提案流程状态已变化，请刷新后重试");
 		}
 		ImprovementInstituteVote vote = findInstituteVote(lockedProposal.getId(), loginUser.getId());
-		if (!"voted".equals(vote.getVoteStatus())) {
-			if (!"agree".equals(vote.getVoteResult()) && !"disagree".equals(vote.getVoteResult())) {
-				throw new IllegalStateException("请先选择投票通过或投票反对");
+		if ("voted".equals(vote.getVoteStatus())) {
+			// 网络异常导致流程任务未完成时，允许使用已确认的同一结果重试办理；不允许改票。
+			if (!action.getVoteResult().equals(vote.getVoteResult())) {
+				throw new IllegalStateException("投票已确认，不能修改投票结果");
 			}
+		} else {
 			int updated = improvementInstituteVoteMapper.update(null, new LambdaUpdateWrapper<ImprovementInstituteVote>()
 				.eq(ImprovementInstituteVote::getId, vote.getId())
 				.eq(ImprovementInstituteVote::getVoteStatus, "pending")
+				.set(ImprovementInstituteVote::getVoteResult, action.getVoteResult())
 				.set(ImprovementInstituteVote::getVoteStatus, "voted")
 				.set(ImprovementInstituteVote::getVoteTime, new Date())
 				.set(ImprovementInstituteVote::getProcessTaskId, action.getTaskId()));
@@ -457,6 +467,26 @@ public class ImprovementProposalServiceImpl extends ServiceImpl<ImprovementPropo
 		updateInstituteVoteSummaryIfComplete(lockedProposal, action.getProcessInstanceId());
 	}
 
+	@Override
+	@Transactional(rollbackFor = Exception.class)
+	public void submitInstituteVoteAndComplete(ImprovementProposalBpmActionDTO action, LoginUser loginUser, HttpServletRequest request) {
+		submitInstituteVote(action, loginUser);
+
+		// 复用通用办理服务，确保审批日志、流程状态及多实例收敛逻辑与普通办理保持一致。
+		HashMap<String, String> processParams = new HashMap<>(4);
+		processParams.put("taskId", action.getTaskId());
+		processParams.put("processModel", "1");
+		processParams.put("nextCodeCount", "1");
+		// Task5 只有正常流转分支；通用办理服务以 end + 单分支执行 taskService.complete。
+		processParams.put("nextnode", "end");
+		Result<Object> result = extActTaskCcService.processComplete(processParams, request);
+		if (result == null || !result.isSuccess()) {
+			throw new IllegalStateException(result == null || oConvertUtils.isEmpty(result.getMessage())
+				? "投票已确认，但流程办理失败"
+				: result.getMessage());
+		}
+	}
+
 	private ImprovementInstituteVote findInstituteVote(String mainId, String voterId) {
 		return improvementInstituteVoteMapper.selectByMainId(mainId).stream()
 			.filter(item -> voterId.equals(item.getVoterId()))