diff --git a/app.db b/app.db
index ff2dc1a..f6b53fe 100644
Binary files a/app.db and b/app.db differ
diff --git a/src/main/java/com/iflytop/digester/DigesterApplicationRunner.java b/src/main/java/com/iflytop/digester/DigesterApplicationRunner.java
index 32147ac..6fb0d51 100644
--- a/src/main/java/com/iflytop/digester/DigesterApplicationRunner.java
+++ b/src/main/java/com/iflytop/digester/DigesterApplicationRunner.java
@@ -1,6 +1,8 @@
 package com.iflytop.digester;
 import com.iflytop.digester.deviceinstance.Device;
 import jakarta.annotation.Resource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
@@ -9,6 +11,9 @@ import org.springframework.stereotype.Component;
 @Order(2)
 @Component
 public class DigesterApplicationRunner implements ApplicationRunner {
+    // logger
+    public static final Logger LOG = LoggerFactory.getLogger(DigesterApplicationRunner.class);
+
     @Resource
     private Device device;
     @Value("${app.opencv-library-path}")
@@ -20,9 +25,15 @@ public class DigesterApplicationRunner implements ApplicationRunner {
 
     @Override
     public void run(ApplicationArguments args) throws Exception {
+        LOG.info("[APP] loading : {}", this.opencvLibraryPath);
         System.load(this.opencvLibraryPath);
+
+        LOG.info("[APP] loading : {}", this.pylonLibraryPath);
         System.load(this.pylonLibraryPath);
+
+        LOG.info("[APP] loading : {}", this.pylonWrapperPath);
         System.load(this.pylonWrapperPath);
+
         this.device.liquidAddition.setup();
         DigestionTaskTheadManager.getInstance().setup();
     }
diff --git a/src/main/resources/application-test.yml b/src/main/resources/application-test.yml
index 8566493..b71ca39 100644
--- a/src/main/resources/application-test.yml
+++ b/src/main/resources/application-test.yml
@@ -27,6 +27,6 @@ app :
   liquidWaterBucketIndex: 2
   bucketVolumeCheckEnable: false
   opencv-library-path: /userdata/rootfs_overlay/usr/lib/jni/libopencv_java420.so
-  pylon-library-path: /opt/pylon/lib/libpylonc.so.7.2
+  pylon-library-path: /opt/pylon/lib/libpylonc.so
   pylon-wrapper-path: /app/camera/libcamera.so
   emergency-stop-file-path: /sys/class/gpio/gpio102/value
\ No newline at end of file