From 2613aafec8343016a565c5e3e9e6b1ad5e6c6bab Mon Sep 17 00:00:00 2001
From: kaiyu <404897439@qq.com>
Date: Thu, 27 May 2021 09:09:57 +0800
Subject: [PATCH] Merge branch 'dev' of http://blit.7drlb.com:8888/r/moral into dev

---
 screen-manage/src/main/resources/mapper/SensorMapper.xml |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/screen-manage/src/main/resources/mapper/SensorMapper.xml b/screen-manage/src/main/resources/mapper/SensorMapper.xml
index 2e147ef..772c1f1 100644
--- a/screen-manage/src/main/resources/mapper/SensorMapper.xml
+++ b/screen-manage/src/main/resources/mapper/SensorMapper.xml
@@ -85,10 +85,20 @@
                 code = #{code},
             </if>
             <if test="upper != null">
-                upper = #{upper},
+                <if test="upper == ''">
+                    upper = null,
+                </if>
+                <if test="upper != ''">
+                    upper = #{upper},
+                </if>
             </if>
             <if test="lower != null">
-                lower = #{lower},
+                <if test="lower == ''">
+                    lower = null,
+                </if>
+                <if test="lower != ''">
+                    lower = #{lower},
+                </if>
             </if>
             <if test="default_unit_key != null">
                 default_unit_key = #{default_unit_key},

--
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