diff --git a/src/main/java/com/biutag/supervision/service/ModelClueService.java b/src/main/java/com/biutag/supervision/service/ModelClueService.java
index 855e690..31b20f6 100644
--- a/src/main/java/com/biutag/supervision/service/ModelClueService.java
+++ b/src/main/java/com/biutag/supervision/service/ModelClueService.java
@@ -23,6 +23,7 @@ import org.springframework.transaction.annotation.Transactional;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.sql.Timestamp;
+import java.text.DecimalFormat;
 import java.text.SimpleDateFormat;
 import java.time.*;
 import java.time.format.DateTimeFormatter;
@@ -239,6 +240,9 @@ public class ModelClueService extends ServiceImpl<ModelClueMapper, ModelClue> {
         } else if (modelId == 103) { // 103号模型：接处警速度超过30分钟的异常数据
             getModelCluesForModel103(sql, modelClues);
             return modelClues;
+        } else if (modelId == 104) { // 模型104：大量变更接警性质的预警模型
+            getModelCluesForModel104(sql, modelClues);
+            return modelClues;
         } else {
             System.out.println("模型" + modelId + "开始查询数据库");
             modelClues = modelClueDataMapper.selectDataByDynamicSql(sql);
@@ -247,7 +251,7 @@ public class ModelClueService extends ServiceImpl<ModelClueMapper, ModelClue> {
         List<String> uniqueKeys = modelClues.stream().map(ModelClue::getUniqueKey).filter(k -> k != null && !k.isEmpty()).toList();
         List<String> oldUniqueKeys = new ArrayList<>();
         // 无需更新状态的模型
-        if (modelId != 19 && modelId != 26 && modelId != 27 && modelId != 28 && modelId != 30 && modelId != 100 && modelId != 103) {
+        if (modelId != 19 && modelId != 26 && modelId != 27 && modelId != 28 && modelId != 30 && modelId != 100 ) {
             oldUniqueKeys = this.listObjs(new LambdaQueryWrapper<ModelClue>().select(ModelClue::getUniqueKey).ne(ModelClue::getDistributionState, "2").eq(ModelClue::getModelId, modelId), String::valueOf);
             List<String> changeStatusIds = oldUniqueKeys.stream().filter(item -> !uniqueKeys.contains(item)).toList();
             if (!changeStatusIds.isEmpty()) {
@@ -1041,6 +1045,74 @@ public class ModelClueService extends ServiceImpl<ModelClueMapper, ModelClue> {
         }
     }
 
+    private void getModelCluesForModel104(String param, List<ModelClue> modelClues) {
+        System.out.println("模型104开始查询数据库");
+        List<String> params = parseSqlForModel2(param);
+        String sql = "SELECT gxdwdm, gxdwmc, COUNT(*) AS zjjs from dwd_asj_zhtx_jjd where bjsj BETWEEN '" + params.get(0) + " 00:00:00' AND '" + params.get(1) + " 00:00:00' AND jqjb != '04' AND (ysjqxzdm LIKE '01%' OR ysjqxzdm LIKE'02%' OR ysjqxzdm LIKE'06%') AND (bjxldm  NOT LIKE '01%' AND bjxldm  NOT LIKE '02%' AND bjxldm  NOT LIKE '06%') GROUP BY gxdwdm, gxdwmc;";
+        List<Map<String, Object>> jjdmaps = modelClueDataMapper.selectByUniqueKeys(sql);
+        System.out.println("模型104查询数据库完毕");
+        if (jjdmaps.isEmpty()) {
+            return;
+        }
+        List<ModelClue> jjdModelClues = new ArrayList<>();
+        for (Map<String, Object> data : jjdmaps) {
+            SupExternalDepart supExternalDepart = supExternalDepartMapper.selectOne(new LambdaQueryWrapper<SupExternalDepart>().eq(SupExternalDepart::getExternalId, data.get("gxdwdm")).last("LIMIT 1"));
+            if (supExternalDepart != null && supExternalDepart.getExternalId() != null && supExternalDepart.getExternalName() != null && supExternalDepart.getInternalId() != null && supExternalDepart.getLevel() != null && supExternalDepart.getPid() != null) {
+                ModelClue modelClue = new ModelClue();
+                modelClue.setData(JSONObject.toJSONString(data));
+                modelClue.setInvolveDepartId(supExternalDepart.getExternalId());
+                modelClue.setInvolveDepartName(supExternalDepart.getExternalName());
+                modelClue.setZjjs((Long) data.get("zjjs"));
+                modelClue.setDepartLevel(supExternalDepart.getLevel());
+                modelClue.setParentId(supExternalDepart.getPid());
+                modelClue.setThisId(supExternalDepart.getInternalId());
+                jjdModelClues.add(modelClue);
+            }
+        }
+        List<ModelClue> jjdModelClues3 = new ArrayList<>(jjdModelClues.stream().filter(clue -> clue.getDepartLevel() == 3).toList());
+        List<ModelClue> jjdModelClues4 = new ArrayList<>(jjdModelClues.stream().filter(clue -> clue.getDepartLevel() == 4).toList());
+        List<ModelClue> jjdModelClues5 = new ArrayList<>(jjdModelClues.stream().filter(clue -> clue.getDepartLevel() == 5).toList());
+        mergeModelClues(jjdModelClues5, jjdModelClues4, 1);
+        mergeModelClues(jjdModelClues4, jjdModelClues3, 1);
+        BigDecimal zjjsTotal = BigDecimal.valueOf(jjdModelClues3.stream().mapToLong(ModelClue::getZjjs).sum());
+        Map<String, BigDecimal> departPercentageMap = new HashMap<>();
+        Map<String, Long> departNumMap = new HashMap<>();
+        for (ModelClue jjdModelClue : jjdModelClues3) {
+            BigDecimal percentage = BigDecimal.valueOf(jjdModelClue.getZjjs()).divide(zjjsTotal, 3, RoundingMode.HALF_UP);
+            departPercentageMap.put(jjdModelClue.getInvolveDepartId(), percentage);
+            departNumMap.put(jjdModelClue.getInvolveDepartId(), jjdModelClue.getZjjs());
+        }
+        BigDecimal sumOfPercentages = departPercentageMap.values().stream()
+                .reduce(BigDecimal.ZERO, BigDecimal::add);
+        BigDecimal avgPercentage = sumOfPercentages.divide(BigDecimal.valueOf(departPercentageMap.size()), 3, RoundingMode.HALF_UP);
+        List<String> highPercentageDepartments = departPercentageMap.entrySet().stream()
+                .filter(entry -> entry.getValue().compareTo(avgPercentage.multiply(new BigDecimal("1.5"))) < 0)
+                .map(Map.Entry::getKey)
+                .toList();
+        for (String department : highPercentageDepartments) {
+            ModelClue newModelClue = new ModelClue();
+            newModelClue.setUniqueKey(department);
+            newModelClue.setNegativeIdEx(department);
+            SupExternalDepart supExternalDepart = supExternalDepartMapper.selectOne(new LambdaQueryWrapper<SupExternalDepart>().eq(SupExternalDepart::getExternalId, department).last("LIMIT 1"));
+            if (supExternalDepart != null) {
+                if (supExternalDepart.getInternalId() != null) {
+                    newModelClue.setInvolveDepartId(supExternalDepart.getInternalId());
+                }
+                if (supExternalDepart.getInternalShortName() != null) {
+                    newModelClue.setInvolveDepartName(supExternalDepart.getInternalShortName());
+                }
+            }
+            newModelClue.setDistributionState("0");
+            newModelClue.setThingDesc("发现" + newModelClue.getInvolveDepartName()
+                    + "在" + getDateString(params.get(0)) + "到" + getDateString(params.get(1))
+                    + "之间变更了" + departNumMap.get(department) + "个警情的结警性质，占全市的"
+                    + convertToPercentString(departPercentageMap.get(department)) + "，超过了全市单位平均值（"
+                    + convertToPercentString(avgPercentage) + "）的50%以上，存在大量变更接警性质的异常情况。");
+            newModelClue.setData(newModelClue.getThingDesc());
+            modelClues.add(newModelClue);
+        }
+    }
+
     private void mergeModelClues(List<ModelClue> modelClues2, List<ModelClue> modelClues1 , int no) {
         for (ModelClue modelClue2 : modelClues2) {
             Iterator<ModelClue> iterator1 = modelClues1.iterator();
@@ -1378,4 +1450,9 @@ public class ModelClueService extends ServiceImpl<ModelClueMapper, ModelClue> {
         }
         return jqxz;
     }
+
+    public static String convertToPercentString(BigDecimal value) {
+        DecimalFormat decimalFormat = new DecimalFormat("0.0");
+        return decimalFormat.format(value.multiply(new BigDecimal("100"))) + "%";
+    }
 }