diff --git a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/common/DocumentSplitCommon.java b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/common/DocumentSplitCommon.java
index 08551bf2..200ce198 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/common/DocumentSplitCommon.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/common/DocumentSplitCommon.java
@@ -36,6 +36,10 @@ public class DocumentSplitCommon {
      * 模糊匹配
      */
     public static final String CONCAT_LIKE_END = "', '%') ";
+    /**
+     * 包含
+     */
+    public static final String INSTR_BEGIN = " instr(";
     /**
      * and
      */
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/DateManyConditionImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/DateManyConditionImpl.java
index 30e694a6..eaa5d87f 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/DateManyConditionImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/DateManyConditionImpl.java
@@ -17,6 +17,23 @@ import javax.annotation.PostConstruct;
 @Component
 public class DateManyConditionImpl extends AbstractConditionBase {
 
+    /**
+     *  实现逻辑，多日期字符串字段（存储时前端从小到大排好序（必须））
+     *  逗号拆分获取首位和末尾日期，来分别匹配是否符合查询参数的两个日期区间
+     *  实现sql参考：(代码拼接中加入了date_format来格式化日期)
+     *  select
+     *     epr.*
+     * from
+     *     event_plan_record epr
+     * where
+     *     substring_index('epr.realStartTime', ',', 1) BETWEEN #{startDate} AND #{endDate}
+     *     or substring_index('epr.realStartTime', ',', -1) BETWEEN #{startDate} AND #{endDate}
+     *     or #{startDate} BETWEEN substring_index('epr.realStartTime', ',', 1) AND substring_index('epr.realStartTime', ',', -1)
+     *     or #{endDate} BETWEEN substring_index('epr.realStartTime', ',', 1) AND substring_index('epr.realStartTime', ',', -1)
+     * @param fieldName
+     * @param value
+     * @return
+     */
     @Override
     public String buildCondition(String fieldName, String value){
         // 多日期查询
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/InConditionImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/InConditionImpl.java
index b9d659c5..f561c089 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/InConditionImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/documenttool/handler/impl/InConditionImpl.java
@@ -7,11 +7,13 @@ import com.jero.modules.laws.documenttool.handler.AbstractConditionBase;
 import org.springframework.stereotype.Component;
 
 import javax.annotation.PostConstruct;
+import java.util.Arrays;
+import java.util.List;
 
 /**
  * @Author: yjz
  * @Date: 2023/10/13/17:05
- * @Description: in查询
+ * @Description: 下拉框查询
  */
 
 @Component
@@ -19,16 +21,17 @@ public class InConditionImpl extends AbstractConditionBase {
 
     @Override
     public String buildCondition(String fieldName, String value){
-        // in查询
+        // 下拉框查询
         StringBuilder in = new StringBuilder();
-        in.append(DocumentSplitCommon.AND).append(fieldName).append(DocumentSplitCommon.IN).append("(");
-        for (String s : value.split(",")) {
-            in.append("'").append(s).append("'");
-            if (value.indexOf(s) != value.length() -1){
-                in.append(",");
+        in.append(DocumentSplitCommon.AND).append("((");
+        List<String> list = Arrays.asList(value.split(","));
+        for (String s : list) {
+            in.append(DocumentSplitCommon.INSTR_BEGIN).append(fieldName).append(",").append("'").append(s).append("'").append(")");
+            if (list.indexOf(s) != list.size() -1){
+                in.append(DocumentSplitCommon.OR);
             }
         }
-        in.append(")");
+        in.append("))");
         return in.toString();
     }