diff --git a/src/main/java/net/lamgc/oracle/sentry/common/logging/LevelRangeFilter.java b/src/main/java/net/lamgc/oracle/sentry/common/logging/LevelRangeFilter.java
index 0046595..df4748e 100644
--- a/src/main/java/net/lamgc/oracle/sentry/common/logging/LevelRangeFilter.java
+++ b/src/main/java/net/lamgc/oracle/sentry/common/logging/LevelRangeFilter.java
@@ -9,6 +9,7 @@ import ch.qos.logback.core.spi.FilterReply;
  * 级别范围过滤器.
  * @author LamGC
  */
+@SuppressWarnings("unused")
 public class LevelRangeFilter extends Filter<ILoggingEvent> {
 
     private Level maxLevel;
diff --git a/src/main/java/net/lamgc/oracle/sentry/common/logging/MarkerFilter.java b/src/main/java/net/lamgc/oracle/sentry/common/logging/MarkerFilter.java
index bf3dac9..295d293 100644
--- a/src/main/java/net/lamgc/oracle/sentry/common/logging/MarkerFilter.java
+++ b/src/main/java/net/lamgc/oracle/sentry/common/logging/MarkerFilter.java
@@ -7,6 +7,7 @@ import ch.qos.logback.core.spi.FilterReply;
 /**
  * @author LamGC
  */
+@SuppressWarnings("unused")
 public class MarkerFilter extends Filter<ILoggingEvent> {
 
     private String markerName;
diff --git a/src/main/java/net/lamgc/oracle/sentry/script/ScriptLoggerFactory.java b/src/main/java/net/lamgc/oracle/sentry/script/ScriptLoggerFactory.java
index 1900d67..d32ae4b 100644
--- a/src/main/java/net/lamgc/oracle/sentry/script/ScriptLoggerFactory.java
+++ b/src/main/java/net/lamgc/oracle/sentry/script/ScriptLoggerFactory.java
@@ -19,7 +19,7 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public class ScriptLoggerFactory implements ScriptComponentFactory<Logger> {
 
-    public final static Marker SCRIPT_MARKER = MarkerFactory.getMarker("Script");
+    private final static Marker SCRIPT_MARKER = MarkerFactory.getMarker("Script");
 
     @Override
     public Logger getInstance(ScriptInfo info) {