From fcc18158f8047bdd7daded7b225533462d88f0ae Mon Sep 17 00:00:00 2001
From: buaixuexideshitongxue <2936013465@qq.com>
Date: Thu, 16 Jul 2026 11:02:56 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=8A=A0=E4=B8=8A=E4=B8=BA=E7=A9=BA?=
 =?UTF-8?q?=E7=9A=84=E9=80=89=E9=A1=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/resources/mapper/ComplaintCollectionMapper.xml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/resources/mapper/ComplaintCollectionMapper.xml b/src/main/resources/mapper/ComplaintCollectionMapper.xml
index 4c3a6b1..aea932f 100644
--- a/src/main/resources/mapper/ComplaintCollectionMapper.xml
+++ b/src/main/resources/mapper/ComplaintCollectionMapper.xml
@@ -322,7 +322,14 @@
             <if test="param.involveProblemIdList != null and param.involveProblemIdList.size > 0">
                 AND (
                 <foreach collection="param.involveProblemIdList" item="probItem" separator=" OR ">
-                    FIND_IN_SET(#{probItem}, n.involveProblem)
+                    <choose>
+                        <when test="probItem == '__EMPTY__'">
+                            (n.involveProblem IS NULL OR TRIM(n.involveProblem) = '')
+                        </when>
+                        <otherwise>
+                            FIND_IN_SET(#{probItem}, n.involveProblem)
+                        </otherwise>
+                    </choose>
                 </foreach>
                 )
             </if>