diff --git a/os-ems/src/main/resources/mapper/ems/record/RecordIotenvInstantMapper.xml b/os-ems/src/main/resources/mapper/ems/record/RecordIotenvInstantMapper.xml
index ed7eb5d..8e17207 100644
--- a/os-ems/src/main/resources/mapper/ems/record/RecordIotenvInstantMapper.xml
+++ b/os-ems/src/main/resources/mapper/ems/record/RecordIotenvInstantMapper.xml
@@ -158,6 +158,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                         #{monitorId}
                     </foreach>
                 </if>
+                
+                <!-- 过滤异常数据：温度、湿度、噪声范围 [0, 80] -->
+                <!-- 优化：使用BETWEEN和简化NULL检查提高TiDB性能 -->
+                AND (temperature IS NULL OR temperature BETWEEN 0 AND 80)
+                AND (humidity IS NULL OR humidity BETWEEN 0 AND 80)
+                AND (noise IS NULL OR noise BETWEEN 0 AND 80)
 
             </where>
         </foreach>
@@ -244,6 +250,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                         #{monitorId}
                     </foreach>
                 </if>
+                
+                <!-- 过滤异常数据：温度、湿度、噪声范围 [0, 80] -->
+                <!-- 优化：使用BETWEEN和简化NULL检查提高TiDB性能 -->
+                AND (temperature IS NULL OR temperature BETWEEN 0 AND 80)
+                AND (humidity IS NULL OR humidity BETWEEN 0 AND 80)
+                AND (noise IS NULL OR noise BETWEEN 0 AND 80)
 
             </where>
                     )
@@ -290,6 +302,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                             #{monitorId}
                         </foreach>
                     </if>
+                    
+                    <!-- 过滤异常数据：温度、湿度、噪声范围 [0, 80] -->
+                    <!-- 优化：使用BETWEEN和简化NULL检查提高TiDB性能 -->
+                    AND (temperature IS NULL OR temperature BETWEEN 0 AND 80)
+                    AND (humidity IS NULL OR humidity BETWEEN 0 AND 80)
+                    AND (noise IS NULL OR noise BETWEEN 0 AND 80)
 
                 </where>
             </foreach>