优化消息发送函数，设定音视频通话的记录发送规则

pages/im/components/sent/sentPopups.vue

@@ -132,11 +132,13 @@
                         break;
                     case 'location':
                         uni.chooseLocation({
-                            success: (location) => {
-                                console.log(location);
-                                im.sentLocation(this.conversationType, this.targetId, location).then(() => {
-                                    this.success()
-                                })
+                            success: (location) => {
+                                const thumbnail = ''
+                                // 通过 location 的经纬度，合成一张图片，再把图片的base64发送出去
+                                im.sentLocation(this.conversationType, this.targetId, location, thumbnail)
+                                    .then(() => {
+                                        this.success()
+                                    })
                             }
                         })
                         break;