diff --git a/os-ems/src/main/java/com/os/ems/record/controller/RecordIotenvInstantController.java b/os-ems/src/main/java/com/os/ems/record/controller/RecordIotenvInstantController.java
index 66eb046..4f8a875 100644
--- a/os-ems/src/main/java/com/os/ems/record/controller/RecordIotenvInstantController.java
+++ b/os-ems/src/main/java/com/os/ems/record/controller/RecordIotenvInstantController.java
@@ -1,5 +1,6 @@
 package com.os.ems.record.controller;
 
+import java.text.ParseException;
 import java.util.Date;
 import java.util.List;
 import javax.servlet.http.HttpServletResponse;
@@ -35,10 +36,9 @@ public class RecordIotenvInstantController extends BaseController
      */
     @PreAuthorize("@ss.hasPermi('ems/record:recordIotenvInstant:list')")
     @GetMapping("/list")
-    public TableDataInfo list(RecordIotenvInstant recordIotenvInstant)
+    public TableDataInfo list (RecordIotenvInstant recordIotenvInstant)throws ParseException
     {
         startPage();
-
         List<RecordIotenvInstant> list = recordIotenvInstantService.selectRecordIotenvInstantList(recordIotenvInstant);
         return getDataTable(list);
     }
@@ -50,7 +50,7 @@ public class RecordIotenvInstantController extends BaseController
     @PreAuthorize("@ss.hasPermi('ems/record:recordIotenvInstant:export')")
     @Log(title = "物联网数据", businessType = BusinessType.EXPORT)
     @PostMapping("/export")
-    public void export(HttpServletResponse response, RecordIotenvInstant recordIotenvInstant)
+    public void export(HttpServletResponse response, RecordIotenvInstant recordIotenvInstant)throws ParseException
     {
         List<RecordIotenvInstant> list = recordIotenvInstantService.selectRecordIotenvInstantList(recordIotenvInstant);
         ExcelUtil<RecordIotenvInstant> util = new ExcelUtil<RecordIotenvInstant>(RecordIotenvInstant.class);
diff --git a/os-ems/src/main/java/com/os/ems/record/mapper/RecordIotenvInstantMapper.java b/os-ems/src/main/java/com/os/ems/record/mapper/RecordIotenvInstantMapper.java
index b2acb74..319c9cb 100644
--- a/os-ems/src/main/java/com/os/ems/record/mapper/RecordIotenvInstantMapper.java
+++ b/os-ems/src/main/java/com/os/ems/record/mapper/RecordIotenvInstantMapper.java
@@ -81,7 +81,7 @@ public interface RecordIotenvInstantMapper
      * @return 物联网数据集合
      */
     List<RecordIotenvInstant> selectRecordIotenvInstantListFromTables(@Param("tableNames") List<String> tableNames,
-                                                                      @Param("record") RecordIotenvInstant recordIotenvInstant);
+                                                                      @Param("recordIotenvInstant") RecordIotenvInstant recordIotenvInstant);
 
     Integer checkTableExists(Map<String, Object> params);
 
diff --git a/os-ems/src/main/java/com/os/ems/record/service/IRecordIotenvInstantService.java b/os-ems/src/main/java/com/os/ems/record/service/IRecordIotenvInstantService.java
index bd54ca6..3956752 100644
--- a/os-ems/src/main/java/com/os/ems/record/service/IRecordIotenvInstantService.java
+++ b/os-ems/src/main/java/com/os/ems/record/service/IRecordIotenvInstantService.java
@@ -1,5 +1,6 @@
 package com.os.ems.record.service;
 
+import java.text.ParseException;
 import java.util.Date;
 import java.util.List;
 import com.os.ems.record.domain.RecordIotenvInstant;
@@ -26,7 +27,7 @@ public interface IRecordIotenvInstantService
      * @param recordIotenvInstant 物联网数据
      * @return 物联网数据集合
      */
-    public List<RecordIotenvInstant> selectRecordIotenvInstantList(RecordIotenvInstant recordIotenvInstant);
+    public List<RecordIotenvInstant> selectRecordIotenvInstantList(RecordIotenvInstant recordIotenvInstant) throws ParseException;
 
 
     /**
diff --git a/os-ems/src/main/java/com/os/ems/record/service/impl/RecordIotenvInstantServiceImpl.java b/os-ems/src/main/java/com/os/ems/record/service/impl/RecordIotenvInstantServiceImpl.java
index 469401e..c03006b 100644
--- a/os-ems/src/main/java/com/os/ems/record/service/impl/RecordIotenvInstantServiceImpl.java
+++ b/os-ems/src/main/java/com/os/ems/record/service/impl/RecordIotenvInstantServiceImpl.java
@@ -1,5 +1,6 @@
 package com.os.ems.record.service.impl;
 
+import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.*;
 
@@ -47,12 +48,10 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
 //        return recordIotenvInstantMapper.selectRecordIotenvInstantList(recordIotenvInstant);
 //    }
     @Override
-    public List<RecordIotenvInstant> selectRecordIotenvInstantList(RecordIotenvInstant recordIotenvInstant) {
+    public List<RecordIotenvInstant> selectRecordIotenvInstantList(RecordIotenvInstant recordIotenvInstant) throws ParseException {
 
         Map<String, Object> params = recordIotenvInstant.getParams();
         // 检查是否有时间范围参数
-        if (params != null && params.containsKey("beginRecordTime") && params.containsKey("endRecordTime")) {
-            try {
                 // 获取开始和结束时间
                 String beginTimeStr = params.get("beginRecordTime").toString();
                 String endTimeStr = params.get("endRecordTime").toString();
@@ -67,16 +66,8 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
                 if (tableNames.isEmpty()) {
                     return new ArrayList<>();
                 }
-
                 // 执行分表查询
                 return recordIotenvInstantMapper.selectRecordIotenvInstantListFromTables(tableNames, recordIotenvInstant);
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-        }
-
-        // 如果没有时间范围或发生异常，则使用原始查询方法
-        return recordIotenvInstantMapper.selectRecordIotenvInstantList(recordIotenvInstant);
     }
 
     /**
@@ -135,7 +126,7 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
      * @param endDate 结束日期
      * @return 表名列表
      */
-    private List<String> getTableNamesByDateRange(Date beginDate, Date endDate) {
+    private List<String> getTableNamesByDateRange(Date beginDate, Date endDate) throws ParseException {
         List<String> tableNames = new ArrayList<>();
         // 如果开始日期晚于结束日期，则返回空列表
         if (beginDate.after(endDate)) {
@@ -144,7 +135,7 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
         // 设置日期格式
         SimpleDateFormat tableFormat = new SimpleDateFormat("yyyyMMdd");
         SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
-        try {
+
             // 获取开始日期和结束日期（不含时间部分）
             String beginDateStr = dateFormat.format(beginDate);
             String endDateStr = dateFormat.format(endDate);
@@ -164,12 +155,10 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
             }
             for (String tableName : tableNames){
                 if (!isTableExists(tableName)){
-                    throw new ServiceException(tableName + "分表不存在");
+                    throw new ServiceException(tableName + "分表不存在，未记录数据");
                 }
             }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
+
         return tableNames;
     }
 
@@ -181,14 +170,11 @@ public class RecordIotenvInstantServiceImpl implements IRecordIotenvInstantServi
      * @return 是否存在
      */
     private boolean isTableExists(String tableName) {
-        try {
             // 查询数据库中是否存在该表
             Map<String, Object> params = new HashMap<>();
             params.put("tableName", tableName);
             Integer count = recordIotenvInstantMapper.checkTableExists(params);
             return count != null && count > 0;
-        } catch (Exception e) {
-            return false;
-        }
     }
+    
 }