diff --git a/mh-admin/src/main/resources/logback.xml b/mh-admin/src/main/resources/logback.xml
index 11c053f..594660f 100644
--- a/mh-admin/src/main/resources/logback.xml
+++ b/mh-admin/src/main/resources/logback.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
     <!-- 日志存放路径 -->
-	<property name="log.path" value="/home/mh/mz/logs" />
+	<property name="log.path" value="/home/mh/hw/logs" />
     <!-- 日志输出格式 -->
 	<property name="log.pattern" value="%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n" />
 
diff --git a/mh-common/src/main/java/com/mh/common/utils/BigDecimalUtils.java b/mh-common/src/main/java/com/mh/common/utils/BigDecimalUtils.java
index b5eee7c..4bbb75b 100644
--- a/mh-common/src/main/java/com/mh/common/utils/BigDecimalUtils.java
+++ b/mh-common/src/main/java/com/mh/common/utils/BigDecimalUtils.java
@@ -23,6 +23,7 @@ public class BigDecimalUtils {
         OPERATORS.put("<",  (a, b) -> a.compareTo(b) < 0);
         OPERATORS.put("<=", (a, b) -> a.compareTo(b) <= 0);
         OPERATORS.put("==", (a, b) -> a.compareTo(b) == 0);
+        OPERATORS.put("=",  (a, b) -> a.compareTo(b) == 0); // 添加对 = 运算符的支持
         OPERATORS.put("!=", (a, b) -> a.compareTo(b) != 0);
     }
 
diff --git a/mh-system/src/main/java/com/mh/system/mapper/device/DataProcessMapper.java b/mh-system/src/main/java/com/mh/system/mapper/device/DataProcessMapper.java
index 0a2de36..b965d46 100644
--- a/mh-system/src/main/java/com/mh/system/mapper/device/DataProcessMapper.java
+++ b/mh-system/src/main/java/com/mh/system/mapper/device/DataProcessMapper.java
@@ -170,7 +170,7 @@ public interface DataProcessMapper {
      * @param deviceNum
      * @return
      */
-    @Select("select mt_init_value from collection_params_manage where mt_num = #{deviceNum} and is_use = '0'")
+    @Select("select mt_init_value from collection_params_manage where mt_num = #{deviceNum} and is_use = '0' limit 1 ")
     String queryInitValue(@Param("deviceNum") String deviceNum);
 
     @Select("select * from ${tableName} where register_id = #{registerId} and cur_time >= CURRENT_TIMESTAMP - INTERVAL '24 hours' ")