diff --git a/src/main/java/com/biutag/supervision/pojo/param/NegativeQueryParam.java b/src/main/java/com/biutag/supervision/pojo/param/NegativeQueryParam.java
index a6cc988..9f6e53c 100644
--- a/src/main/java/com/biutag/supervision/pojo/param/NegativeQueryParam.java
+++ b/src/main/java/com/biutag/supervision/pojo/param/NegativeQueryParam.java
@@ -74,6 +74,9 @@ public class NegativeQueryParam extends BasePage {
 
     private String specialSupervision;
 
+    @Schema(description = "专项督察（多选查询）")
+    private List<String> specialSupervisions;
+
     private String reportNumber;
 
     private Integer crtDepartLevel;
@@ -139,6 +142,7 @@ public class NegativeQueryParam extends BasePage {
         target.setProblemSourcesCode(this.problemSourcesCode == null ? null : new ArrayList<>(this.problemSourcesCode));
         target.setInvolveDepartIds(this.involveDepartIds == null ? null : Set.copyOf(this.involveDepartIds));
         target.setApprovalTimeoutStatus(this.approvalTimeoutStatus == null ? null : new ArrayList<>(this.approvalTimeoutStatus));
+        target.setSpecialSupervisions(this.specialSupervisions == null ? null : new ArrayList<>(this.specialSupervisions));
 
         return target;
     }
diff --git a/src/main/java/com/biutag/supervision/service/NegativeQueryService.java b/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
index b7b3b84..a4ff3d9 100644
--- a/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
+++ b/src/main/java/com/biutag/supervision/service/NegativeQueryService.java
@@ -78,7 +78,18 @@ public class NegativeQueryService {
                 .in(CollectionUtil.isNotEmpty(param.getProblemSourcesCode()), Negative::getProblemSourcesCode, param.getProblemSourcesCode())
                 // 业务类型
                 .eq(StrUtil.isNotBlank(param.getBusinessTypeCode()), Negative::getBusinessTypeCode, param.getBusinessTypeCode())
-                // 专项督察
+                // 专项督察（支持单选和多选查询）
+                .and(CollectionUtil.isNotEmpty(param.getSpecialSupervisions()), (qw) -> {
+                    // 多选查询：specialSupervision字段包含任一选中的值（逗号分隔存储）
+                    for (int i = 0; i < param.getSpecialSupervisions().size(); i++) {
+                        final String code = param.getSpecialSupervisions().get(i);
+                        if (i == 0) {
+                            qw.apply("FIND_IN_SET({0}, special_supervision) > 0", code);
+                        } else {
+                            qw.or().apply("FIND_IN_SET({0}, special_supervision) > 0", code);
+                        }
+                    }
+                })
                 .eq(StrUtil.isNotBlank(param.getSpecialSupervision()), Negative::getSpecialSupervision, param.getSpecialSupervision())
                 // 通报期数
                 .like(StrUtil.isNotBlank(param.getReportNumber()), Negative::getReportNumber, param.getReportNumber())
diff --git a/src/main/java/com/biutag/supervision/service/NegativeTaskService.java b/src/main/java/com/biutag/supervision/service/NegativeTaskService.java
index 9685c51..5c5a94d 100644
--- a/src/main/java/com/biutag/supervision/service/NegativeTaskService.java
+++ b/src/main/java/com/biutag/supervision/service/NegativeTaskService.java
@@ -143,9 +143,12 @@ public class NegativeTaskService extends ServiceImpl<NegativeTaskMapper, Negativ
                 }
                 vo.setProcessingStatus(ProcessingStatusEnum.getLabel(item.getProcessingStatus()));
 
-                //专项督察
-                if(CollectionUtil.isNotEmpty(specialSupervisionDict)){
-                    String specialSupervision = specialSupervisionDict.stream().filter(dict->dict.getDictValue().equals(vo.getSpecialSupervision())).findFirst().map(SupDictData::getDictLabel).orElse("");
+                //专项督察（支持多选逗号分隔）
+                if(StrUtil.isNotBlank(vo.getSpecialSupervision())){
+                    String specialSupervision = Arrays.stream(vo.getSpecialSupervision().split(","))
+                            .map(val -> specialSupervisionDict.stream().filter(dict -> dict.getDictValue().equals(val)).findFirst().map(SupDictData::getDictLabel).orElse(""))
+                            .filter(StrUtil::isNotBlank)
+                            .collect(Collectors.joining("、"));
                     vo.setSpecialSupervision(specialSupervision);
                 }