diff --git a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
index 5c6b711..8795525 100644
--- a/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
+++ b/src/main/java/net/lamgc/cgj/bot/BotCommandProcess.java
@@ -23,6 +23,7 @@ import java.io.File;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
 import java.util.*;
+import java.util.regex.Pattern;
 
 @SuppressWarnings({"SameParameterValue"})
 public class BotCommandProcess {
@@ -522,6 +523,10 @@ public class BotCommandProcess {
         return reportStore.exists(String.valueOf(illustId));
     }
 
+    /**
+     * Tag过滤表达式
+     */
+    private final static Pattern tagPattern = Pattern.compile(".*R-*18.*");
     /**
      * 检查指定作品是否为r18
      * @param illustId 作品Id
@@ -538,7 +543,7 @@ public class BotCommandProcess {
         boolean rawValue = illustInfo.get("xRestrict").getAsInt() != 0;
         if(!rawValue) {
             for(JsonElement tag : tags) {
-                boolean current = tag.getAsString().matches("R-*18") || tag.getAsString().contains("R18");
+                boolean current = tagPattern.matcher(tag.getAsString()).matches();
                 if (current) {
                     rawValue = true;
                     break;
diff --git a/src/main/java/net/lamgc/cgj/bot/cache/ImageCacheHandler.java b/src/main/java/net/lamgc/cgj/bot/cache/ImageCacheHandler.java
index 9cd4c26..9020ec0 100644
--- a/src/main/java/net/lamgc/cgj/bot/cache/ImageCacheHandler.java
+++ b/src/main/java/net/lamgc/cgj/bot/cache/ImageCacheHandler.java
@@ -38,7 +38,7 @@ public class ImageCacheHandler implements EventHandler {
         }
 
         try {
-            log.info("图片 {} Event正在进行...({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
+            log.debug("图片 {} Event正在进行...({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
             File storeFile = event.getStoreFile();
             log.debug("正在缓存图片 {} (Path: {})", storeFile.getName(), storeFile.getAbsolutePath());
             try {
@@ -87,7 +87,7 @@ public class ImageCacheHandler implements EventHandler {
             }
             event.getImageCache().put(URLs.getResourceName(event.getDownloadLink()), storeFile);
         } finally {
-            log.info("图片 {} Event结束({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
+            log.debug("图片 {} Event结束({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
             cacheQueue.remove(event);
         }
     }