改变题干音频的取值方式

examcloud-exchange-outer-api-provider/src/main/java/cn/com/qmth/examcloud/exchange/outer/api/provider/ExamQuestionOuterServiceProvider.java

@@ -453,7 +453,7 @@ public class ExamQuestionOuterServiceProvider extends ControllerSupport implemen
                 rowStr = "<" + rowStr + ">";
                 block.setPlayTime(1);
                 block.setType("audio");
-                block.setValue(this.getAttrValue(rowStr, "id"));
+                block.setValue(this.getAttrValue(rowStr, "url"));
                 blocks.add(block);
             } else {
                 block.setType("text");