diff --git a/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/SimpleCache.java b/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/SimpleCache.java
index 5d05e6cc6e..3c96056661 100644
--- a/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/SimpleCache.java
+++ b/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/SimpleCache.java
@@ -59,7 +59,6 @@ public V put(K key, V value){
 	 * 移除缓存
 	 * 
 	 * @param key 键
-	 * @param flags 标识
 	 * @return 移除的值
 	 */
 	public V remove(K key) {
diff --git a/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/StrSpliter.java b/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/StrSpliter.java
index 47445cd17f..f2f7fba755 100644
--- a/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/StrSpliter.java
+++ b/hutool-core/src/main/java/com/xiaoleilu/hutool/lang/StrSpliter.java
@@ -164,10 +164,7 @@ public static String[] splitToArray(String str, String separator, int limit, boo
 	 * 切分后的字符串两边不包含空白符，空串货空白符串并不做为元素之一
 	 * 
 	 * @param str 被切分的字符串
-	 * @param separator 分隔符字符
 	 * @param limit 限制分片数
-	 * @param isTrim 是否去除切分字符串后每个元素两边的空格
-	 * @param ignoreEmpty 是否忽略空串
 	 * @return 切分后的集合
 	 * @since 3.0.8
 	 */
@@ -200,10 +197,7 @@ public static List<String> split(String str, int limit){
 	 * 切分字符串为字符串数组
 	 * 
 	 * @param str 被切分的字符串
-	 * @param separator 分隔符字符
 	 * @param limit 限制分片数
-	 * @param isTrim 是否去除切分字符串后每个元素两边的空格
-	 * @param ignoreEmpty 是否忽略空串
 	 * @return 切分后的集合
 	 * @since 3.0.8
 	 */
diff --git a/pom.xml b/pom.xml
index ae204ca82f..c7a3cb48ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
 
 		<!-- versions -->
 		<junit.version>4.12</junit.version>
-		<servlet-api.version>4.0.0-b07</servlet-api.version>
+		<servlet-api.version>3.1.0</servlet-api.version>
 		<slf4j.version>1.7.25</slf4j.version>
 		<logback.version>1.2.3</logback.version>
 		<log4j.version>1.2.17</log4j.version>