diff --git a/src/main/resources/mybatis/datasource/dust/DustSensorMapper.xml b/src/main/resources/mybatis/datasource/dust/DustSensorMapper.xml
index 1fe934d..9f4a53f 100644
--- a/src/main/resources/mybatis/datasource/dust/DustSensorMapper.xml
+++ b/src/main/resources/mybatis/datasource/dust/DustSensorMapper.xml
@@ -103,9 +103,9 @@
                CURRENT_VALUE,
                ALARM_VALUE,
                THRESHOLD_UP_LIMIT,
-               THRESHOLD_UP_UP_LIM,
-               THRESHOLD_DOWN_LIMI,
-               THRESHOLD_DOWN_DOWN,
+               THRESHOLD_UP_UP_LIMIT,
+               THRESHOLD_DOWN_LIMIT,
+               THRESHOLD_DOWN_DOWN_LIMIT,
                RANGE_UP,
                RANGE_DOWN,
                PROCESSING_TIME,