fix pool bug

hutool-core/src/main/java/org/dromara/hutool/core/pool/partition/PartitionObjectPool.java

@@ -20,6 +20,7 @@ import org.dromara.hutool.core.io.IoUtil;
 import org.dromara.hutool.core.pool.ObjectFactory;
 import org.dromara.hutool.core.pool.ObjectPool;
 import org.dromara.hutool.core.pool.Poolable;
+import org.dromara.hutool.core.text.StrUtil;
 import org.dromara.hutool.core.thread.ThreadUtil;
 
 import java.io.IOException;
@@ -117,6 +118,12 @@ public class PartitionObjectPool<T> implements ObjectPool<T> {
 		IoUtil.closeQuietly(this.partitions);
 	}
 
+	@Override
+	public String toString() {
+		return StrUtil.format("PartitionObjectPool: total: {}, idle: {}, active: {}",
+			getTotal(), getIdleCount(), getActiveCount());
+	}
+
 	/**
 	 * 创建阻塞队列，默认为{@link ArrayBlockingQueue}<br>
 	 * 如果需要自定义队列类型，子类重写此方法

hutool-core/src/main/java/org/dromara/hutool/core/pool/partition/PoolPartition.java

@@ -81,7 +81,7 @@ public class PoolPartition<T> implements ObjectPool<T> {
 				// 检查是否超过最长空闲时间
 				final long maxIdle = this.config.getMaxIdle();
 				if (maxIdle <= 0 || poolable.getIdle() <= maxIdle) {
-					return poolable.getRaw();
+					return obj;
 				}
 			}
 
@@ -188,11 +188,7 @@ public class PoolPartition<T> implements ObjectPool<T> {
 		return wrapPoolable(t);
 	}
 
-	@SuppressWarnings("unchecked")
 	private Poolable<T> wrapPoolable(final T t) {
-		if (t instanceof Poolable) {
-			return (Poolable<T>) t;
-		}
 		return new PartitionPoolable<>(t, this);
 	}