diff --git a/src/main/java/net/lamgc/cgj/pixiv/PixivSearchLinkBuilder.java b/src/main/java/net/lamgc/cgj/pixiv/PixivSearchLinkBuilder.java
index bae548c..f2924cf 100644
--- a/src/main/java/net/lamgc/cgj/pixiv/PixivSearchLinkBuilder.java
+++ b/src/main/java/net/lamgc/cgj/pixiv/PixivSearchLinkBuilder.java
@@ -15,7 +15,7 @@ import java.util.Objects;
  * @author LamGC
  * @see PixivURL#PIXIV_SEARCH_CONTENT_URL
  */
-@SuppressWarnings("ALL")
+@SuppressWarnings("unused")
 public class PixivSearchLinkBuilder {
 
     private final String content;
@@ -26,8 +26,8 @@ public class PixivSearchLinkBuilder {
     private SearchOrder searchOrder = SearchOrder.DATE_D;
     private SearchContentOption searchContentOption = SearchContentOption.ALL;
 
-    private HashSet<String> includeKeywords = new HashSet<>(0);
-    private HashSet<String> excludeKeywords = new HashSet<>(0);
+    private final HashSet<String> includeKeywords = new HashSet<>(0);
+    private final HashSet<String> excludeKeywords = new HashSet<>(0);
 
     private int page = 1;
 
@@ -166,14 +166,6 @@ public class PixivSearchLinkBuilder {
         return this;
     }
 
-    /**
-     * 获取搜索区域
-     * @return 返回搜索区域对象
-     */
-    public SearchArea getSearchArea() {
-        return searchArea;
-    }
-
     /**
      * 获取搜索条件.
      * @return 搜索条件内容