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 1ffa739..7884082 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
@@ -300,6 +300,10 @@ public class ImprovementProposalServiceImpl extends ServiceImpl<ImprovementPropo
 	public void saveLeaderAward(ImprovementProposalBpmActionDTO action, LoginUser loginUser) {
 		validateAward(action.getLeaderFinalAward());
 		ImprovementProposal proposal = validateRunningTask(action, loginUser, TASK_LEADER_AWARD);
+		String awardBase = resolveLeaderAwardBase(proposal);
+		if (awardRank(action.getLeaderFinalAward()) < awardRank(awardBase)) {
+			throw new IllegalStateException("负责人确认奖项只能选择当前档位或降档奖项");
+		}
 		String needInstituteVote = AWARD_GOLD.equals(action.getLeaderFinalAward()) ? "1" : "0";
 		ImprovementProposal update = new ImprovementProposal();
 		update.setId(proposal.getId());
@@ -497,11 +501,30 @@ public class ImprovementProposalServiceImpl extends ServiceImpl<ImprovementPropo
 	}
 
 	private void validateAward(String award) {
-		if (!AWARD_GOLD.equals(award) && !AWARD_SILVER.equals(award) && !AWARD_BRONZE.equals(award) && !AWARD_PARTICIPATION.equals(award)) {
+		if (!isValidAward(award)) {
 			throw new IllegalStateException("请选择有效的奖项");
 		}
 	}
 
+	private boolean isValidAward(String award) {
+		return AWARD_GOLD.equals(award) || AWARD_SILVER.equals(award) || AWARD_BRONZE.equals(award) || AWARD_PARTICIPATION.equals(award);
+	}
+
+	/**
+	 * 负责人只能在当前评定档位内确认或降档：经过评分时以系统建议奖项为准，未评分时以初评奖项为准。
+	 */
+	private String resolveLeaderAwardBase(ImprovementProposal proposal) {
+		String awardBase = "1".equals(proposal.getNeedDeptScore()) ? proposal.getSuggestedAward() : proposal.getInitialAward();
+		if (!isValidAward(awardBase)) {
+			throw new IllegalStateException("部门评议建议奖项尚未生成，不能确认负责人奖项");
+		}
+		return awardBase;
+	}
+
+	private int awardRank(String award) {
+		return Integer.parseInt(award);
+	}
+
 	private boolean needsDeptScore(String award) {
 		return AWARD_GOLD.equals(award) || AWARD_SILVER.equals(award);
 	}