改名

src/ClientAbstracts.php

@@ -67,6 +67,9 @@ abstract class ClientAbstracts implements IClient
 	 */
 	public function getBody(): string|ResponseInterface|null
 	{
+		if ($this->body instanceof ResponseInterface) {
+			return $this->body->getBody()->getContents();
+		}
 		return $this->body;
 	}