diff --git a/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONParser.java b/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONParser.java
index 75a5c6bcb..6db46abde 100644
--- a/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONParser.java
+++ b/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONParser.java
@@ -101,7 +101,9 @@ public class JSONParser {
 	 * @return JSON值
 	 */
 	public JSON parse() {
-		return nextJSON(tokener.nextClean());
+		final JSON json = nextJSON(tokener.nextClean());
+		tokener.checkEnd();
+		return json;
 	}
 
 	/**
@@ -183,15 +185,14 @@ public class JSONParser {
 			tokener.nextColon();
 
 			// 过滤并设置键值对
-			JSON value = parse();
+			final JSON value = nextJSON(tokener.nextClean());
 			// 添加前置过滤，通过MutablePair实现过滤、修改键值对等
 			if (null != predicate) {
 				final MutableEntry<Object, Object> entry = new MutableEntry<>(key, value);
 				if (predicate.test(entry)) {
 					// 使用修改后的键值对
 					key = (String) entry.getKey();
-					value = (JSON) entry.getValue();
-					jsonObject.set(key, value);
+					jsonObject.set(key, entry.getValue());
 				}
 			}else {
 				jsonObject.set(key, value);
diff --git a/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONTokener.java b/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONTokener.java
index 26f419a67..53d513e47 100644
--- a/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONTokener.java
+++ b/hutool-json/src/main/java/org/dromara/hutool/json/reader/JSONTokener.java
@@ -134,7 +134,7 @@ public class JSONTokener extends ReaderWrapper {
 	 */
 	public void checkEnd(){
 		if(EOF != nextClean()){
-			throw syntaxError("Unread data");
+			throw syntaxError("Invalid JSON, Unread data after end.");
 		}
 	}