diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/dynamic/db/DynamicDBUtil.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/dynamic/db/DynamicDBUtil.java
index b2cb6af0..145632c6 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/dynamic/db/DynamicDBUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/dynamic/db/DynamicDBUtil.java
@@ -1,17 +1,15 @@
 package com.jero.common.util.dynamic.db;
 
 import com.alibaba.druid.pool.DruidDataSource;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.lang3.ArrayUtils;
-import com.jero.common.exception.JeroBootException;
 import com.jero.common.exception.JeroBootException;
 import com.jero.common.system.vo.DynamicDataSourceModel;
 import com.jero.common.util.ReflectHelper;
 import com.jero.common.util.oConvertUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.ArrayUtils;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
 
-import javax.sql.DataSource;
 import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.List;
@@ -27,6 +25,10 @@ import java.util.Map;
 @Slf4j
 public class DynamicDBUtil {
 
+    private DynamicDBUtil(){
+
+    }
+
     /**
      * 获取数据源【最底层方法，不要随便调用】
      *