diff --git a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/dim/mapping/RDimVoltageDMapper.xml b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/dim/mapping/RDimVoltageDMapper.xml
index 4a1ea0e58..7c5966bfb 100644
--- a/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/dim/mapping/RDimVoltageDMapper.xml
+++ b/pqs-prepare/prepare-boot/src/main/java/com/njcn/prepare/harmonic/mapper/mysql/dim/mapping/RDimVoltageDMapper.xml
@@ -26,7 +26,7 @@
                 select
                     `time`,
                     line_id,
-                    max(rms_lvr) rms
+                    max(rms) rms
                 from
                     r_stat_data_v_d
                 where