Merge remote-tracking branch 'origin/dev_fix_sub' into dev_fix_sub

zxl

2025-07-23 e61cbe9fa57af60f28e4219b57b0c31841d01882

 pages/mine/activity/addActivity.vue

@@ -526,7 +526,7 @@
         
             if (isVideo) {
               const extension = newSrc.split('.').pop().toLowerCase();
               return `<video width="${width}" alt="${newAlt}" src="${newSrc}" height="auto"></video>`;
               return `<video width="${width}" alt="${newAlt}" src="${newSrc}" height="auto" controls="controls"></video>`;
             }
         
             // 非视频：更新 src 和 alt