声卡接口完善

src/views/iot/device/voicecard.vue

@@ -1265,13 +1265,13 @@ export default {
                             const onlinePlayModel = this.deviceInfo.thingsModels.find(model => model.id === '103#onlinePlay');
                             if (onlinePlayModel) {
                                 // 构建包含 interrupt 参数的 JSON 数据
-                                const playData = {
-                                    "online_play": {
+                                const playData = 'JSON=' + JSON.stringify({
+                                    online_play: {
                                         url: "http://1.94.62.14:8080" + result.resourcePath,
                                     },
                                     interrupt: 98
-                                };
-                                onlinePlayModel.shadow = JSON.stringify(playData);
+                                });
+                                onlinePlayModel.shadow = playData;
                                 await this.mqttPublish(this.deviceInfo, onlinePlayModel);
                                 this.$message.success('音频已下发到设备');
                             } else {