diff --git a/src/main/java/cn/lihongjie/coal/smartCamCarData/controller/SmartCamCarDataController.java b/src/main/java/cn/lihongjie/coal/smartCamCarData/controller/SmartCamCarDataController.java
index c1c72116..64057d0a 100644
--- a/src/main/java/cn/lihongjie/coal/smartCamCarData/controller/SmartCamCarDataController.java
+++ b/src/main/java/cn/lihongjie/coal/smartCamCarData/controller/SmartCamCarDataController.java
@@ -4,9 +4,7 @@ import cn.lihongjie.coal.annotation.OrgScope;
 import cn.lihongjie.coal.annotation.SysLog;
 import cn.lihongjie.coal.base.dto.CommonQuery;
 import cn.lihongjie.coal.base.dto.IdRequest;
-import cn.lihongjie.coal.smartCamCarData.dto.CreateSmartCamCarDataDto;
-import cn.lihongjie.coal.smartCamCarData.dto.SmartCamCarDataDto;
-import cn.lihongjie.coal.smartCamCarData.dto.UpdateSmartCamCarDataDto;
+import cn.lihongjie.coal.smartCamCarData.dto.*;
 import cn.lihongjie.coal.smartCamCarData.service.SmartCamCarDataService;
 
 import lombok.extern.slf4j.Slf4j;
@@ -51,4 +49,11 @@ public class SmartCamCarDataController {
     public Page<SmartCamCarDataDto> list(@RequestBody CommonQuery request) {
         return this.service.list(request);
     }
+
+
+
+    @PostMapping("/compare")
+    public CompareResult compare(@RequestBody CompareRequest request) {
+        return this.service.compare(request);
+    }
 }
diff --git a/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareRequest.java b/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareRequest.java
new file mode 100644
index 00000000..7666925a
--- /dev/null
+++ b/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareRequest.java
@@ -0,0 +1,14 @@
+package cn.lihongjie.coal.smartCamCarData.dto;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.*;
+
+@Data
+public class CompareRequest {
+
+    private LocalDateTime start;
+
+    private LocalDateTime end;
+}
diff --git a/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareResult.java b/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareResult.java
new file mode 100644
index 00000000..579afdc9
--- /dev/null
+++ b/src/main/java/cn/lihongjie/coal/smartCamCarData/dto/CompareResult.java
@@ -0,0 +1,31 @@
+package cn.lihongjie.coal.smartCamCarData.dto;
+
+import lombok.Data;
+
+import java.util.*;
+
+@Data
+public class CompareResult {
+
+
+    private List<CarInfo> carInfos;
+
+
+    @Data
+    public static class CarInfo {
+
+        private String number;
+
+
+        private Integer camEntryCnt;
+
+        private Integer camExitCnt;
+
+
+        private Integer weightEntryCnt;
+
+        private Integer weightExitCnt;
+
+    }
+
+}
diff --git a/src/main/java/cn/lihongjie/coal/smartCamCarData/service/SmartCamCarDataService.java b/src/main/java/cn/lihongjie/coal/smartCamCarData/service/SmartCamCarDataService.java
index 77281e17..0b7c12f2 100644
--- a/src/main/java/cn/lihongjie/coal/smartCamCarData/service/SmartCamCarDataService.java
+++ b/src/main/java/cn/lihongjie/coal/smartCamCarData/service/SmartCamCarDataService.java
@@ -3,14 +3,20 @@ package cn.lihongjie.coal.smartCamCarData.service;
 import cn.lihongjie.coal.base.dto.CommonQuery;
 import cn.lihongjie.coal.base.dto.IdRequest;
 import cn.lihongjie.coal.base.service.BaseService;
+import cn.lihongjie.coal.common.Ctx;
 import cn.lihongjie.coal.dbFunctions.DbFunctionService;
 import cn.lihongjie.coal.exception.BizException;
-import cn.lihongjie.coal.smartCamCarData.dto.CreateSmartCamCarDataDto;
-import cn.lihongjie.coal.smartCamCarData.dto.SmartCamCarDataDto;
-import cn.lihongjie.coal.smartCamCarData.dto.UpdateSmartCamCarDataDto;
+import cn.lihongjie.coal.smartCamCarData.dto.*;
 import cn.lihongjie.coal.smartCamCarData.entity.SmartCamCarDataEntity;
 import cn.lihongjie.coal.smartCamCarData.mapper.SmartCamCarDataMapper;
 import cn.lihongjie.coal.smartCamCarData.repository.SmartCamCarDataRepository;
+import cn.lihongjie.coal.weightDeviceData.entity.WeightDeviceDataEntity;
+import cn.lihongjie.coal.weightDeviceData.repository.WeightDeviceDataRepository;
+
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Predicate;
+import jakarta.persistence.criteria.Root;
 
 import lombok.extern.slf4j.Slf4j;
 
@@ -19,9 +25,14 @@ import org.springframework.core.convert.ConversionService;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Sort;
+import org.springframework.data.jpa.domain.Specification;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Service
 @Slf4j
 @Transactional
@@ -35,6 +46,105 @@ public class SmartCamCarDataService
 
     @Autowired private DbFunctionService dbFunctionService;
 
+    @Autowired WeightDeviceDataRepository weightDeviceDataRepository;
+
+    public CompareResult compare(CompareRequest request) {
+
+        List<SmartCamCarDataEntity> camData =
+                this.repository.findAll(
+                        new Specification<SmartCamCarDataEntity>() {
+                            @Override
+                            public Predicate toPredicate(
+                                    Root<SmartCamCarDataEntity> root,
+                                    CriteriaQuery<?> query,
+                                    CriteriaBuilder criteriaBuilder) {
+
+                                return criteriaBuilder.and(
+                                        criteriaBuilder.equal(
+                                                root.get("organizationId"),
+                                                Ctx.activeOrganizationId()),
+                                        criteriaBuilder.between(
+                                                root.get("entryTime"),
+                                                request.getStart(),
+                                                request.getEnd()));
+                            }
+                        });
+
+        List<WeightDeviceDataEntity> weightData =
+                weightDeviceDataRepository.findAll(
+                        new Specification<WeightDeviceDataEntity>() {
+                            @Override
+                            public Predicate toPredicate(
+                                    Root<WeightDeviceDataEntity> root,
+                                    CriteriaQuery<?> query,
+                                    CriteriaBuilder criteriaBuilder) {
+
+                                return criteriaBuilder.and(
+                                        criteriaBuilder.equal(
+                                                root.get("organizationId"),
+                                                Ctx.activeOrganizationId()),
+                                        criteriaBuilder.between(
+                                                root.get("ycgbTIme"),
+                                                request.getStart(),
+                                                request.getEnd()));
+                            }
+                        });
+
+        Map<String, CompareResult.CarInfo> carInfoMap = new HashMap<>();
+
+        for (SmartCamCarDataEntity camDatum : camData) {
+
+            if (carInfoMap.containsKey(camDatum.getNumber())) {
+                CompareResult.CarInfo carInfo = carInfoMap.get(camDatum.getNumber());
+
+                if (camDatum.getEntry() != null) {
+
+                    carInfo.setCamEntryCnt(carInfo.getCamEntryCnt() + 1);
+                }
+
+                if (camDatum.getExit() != null) {
+                    carInfo.setCamExitCnt(carInfo.getCamExitCnt() + 1);
+                }
+
+            } else {
+
+                CompareResult.CarInfo value = new CompareResult.CarInfo();
+                value.setNumber(camDatum.getNumber());
+                value.setCamEntryCnt(camDatum.getEntry() != null ? 1 : 0);
+                value.setCamExitCnt(camDatum.getExit() != null ? 1 : 0);
+                carInfoMap.put(camDatum.getNumber(), value);
+            }
+        }
+
+        for (WeightDeviceDataEntity weightDatum : weightData) {
+
+            if (carInfoMap.containsKey(weightDatum.getPlanNumber())) {
+
+                CompareResult.CarInfo carInfo = carInfoMap.get(weightDatum.getPlanNumber());
+
+                if (weightDatum.getYcgbTIme() != null) {
+                    carInfo.setWeightEntryCnt(carInfo.getWeightEntryCnt() + 1);
+                }
+                if (weightDatum.getEcgbTime() != null) {
+                    carInfo.setWeightExitCnt(carInfo.getWeightExitCnt() + 1);
+                }
+
+            } else {
+
+                CompareResult.CarInfo value = new CompareResult.CarInfo();
+                value.setNumber(weightDatum.getPlanNumber());
+                value.setWeightEntryCnt(weightDatum.getYcgbTIme() != null ? 1 : 0);
+                value.setWeightExitCnt(weightDatum.getEcgbTime() != null ? 1 : 0);
+                carInfoMap.put(weightDatum.getPlanNumber(), value);
+            }
+        }
+
+        CompareResult compareResult = new CompareResult();
+
+        compareResult.setCarInfos(carInfoMap.values().stream().toList());
+        return compareResult;
+    }
+
     public SmartCamCarDataDto create(CreateSmartCamCarDataDto request) {
         SmartCamCarDataEntity entity = mapper.toEntity(request);