diff --git a/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttConnectionPool.java b/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttConnectionPool.java
index 55f3af7..978f83d 100644
--- a/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttConnectionPool.java
+++ b/ebike-gather/src/main/java/org/cdzy/gather/mqtt/MqttConnectionPool.java
@@ -46,16 +46,18 @@ public class MqttConnectionPool implements DisposableBean, InitializingBean {
         config.setMinIdle(MqttConfig.getPoolMinIdle());
 
         config.setBlockWhenExhausted(true);      // 必须设置为 true
-        config.setMaxWaitMillis(5000);           // 等待5秒，不能无限等待
+        config.setMaxWaitMillis(5000);          // 等待5秒，不能无限等待
         
+        // 禁用空闲连接维护
+//        config.setTimeBetweenEvictionRuns(Duration.ofMillis(-1));
         // 启用空闲连接维护
         config.setTimeBetweenEvictionRuns(Duration.ofMinutes(5));
-        config.setSoftMinEvictableIdleTime(Duration.ofMinutes(30));
-        config.setMinEvictableIdleTime(Duration.ofMinutes(30));
+//        config.setSoftMinEvictableIdleTime(Duration.ofMinutes(30)); //开启则会驱逐（定期销毁空闲）
+//        config.setMinEvictableIdleTime(Duration.ofMinutes(30));
         config.setNumTestsPerEvictionRun(-1);
 
-        config.setTestOnBorrow(false);
-        config.setTestOnReturn(false);
+        config.setTestOnBorrow(true);
+        config.setTestOnReturn(true);
         config.setTestWhileIdle(true);           // 空闲时验证（保持连接健康）
         
         connectionPool = new GenericObjectPool<>(mqttConnectionFactory, config);
diff --git a/ebike-operations/src/main/resources/mapper/EbikeRegionMapper.xml b/ebike-operations/src/main/resources/mapper/EbikeRegionMapper.xml
index f79a19e..3fc9a46 100644
--- a/ebike-operations/src/main/resources/mapper/EbikeRegionMapper.xml
+++ b/ebike-operations/src/main/resources/mapper/EbikeRegionMapper.xml
@@ -21,16 +21,12 @@
     <select id="findAllRegionsOrderByDistance" resultType="com.cdzy.operations.model.entity.EbikeRegion">
         SELECT
             ebike_region.*,
-            ST_Distance(
-                    region_polygon::geography,
-                    ST_SetSRID(ST_MakePoint(#{lng}, #{lat}), 4326)::geography
-            ) AS distance_meters,
-            ST_Contains(
-                    region_polygon,
-                    ST_SetSRID(ST_MakePoint(#{lng}, #{lat}), 4326)
-            ) AS is_within_region
-        FROM ebike_region
-        WHERE is_deleted IS NOT TRUE
+            ST_Distance (  region_polygon::geometry, ST_SetSRID ( ST_MakePoint ( #{lng}, #{lat}), 4326 ) :: geography ) AS distance_meters,
+            ST_Contains ( ST_SetSRID(region_polygon::geometry, 4326), ST_SetSRID ( ST_MakePoint ( #{lng}, #{lat}), 4326 ) ) AS is_within_region
+        FROM
+            ebike_region
+        WHERE
+            is_deleted IS NOT TRUE
         ORDER BY
             is_within_region DESC,
             distance_meters