v1.2.1版本，优化调整了很多，整改验收阶段新加字段

unpackage/dist/dev/mp-weixin/app.js

@@ -79,23 +79,34 @@ common_vendor.index.addInterceptor("chooseImage", {
     res.tempFiles = validTempFiles;
   }
 });
+const UPLOAD_ALLOWED_EXTENSIONS = ["bmp", "gif", "jpg", "jpeg", "png", "doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt", "rar", "zip", "gz", "bz2", "mp4", "avi", "rmvb", "pdf"];
+const QINIU_UPLOAD_HOST_MARKERS = ["qiniup.com", "qbox.me"];
+function validateUploadLocalFileExt(filePath) {
+  if (!filePath)
+    return true;
+  const cleanPath = filePath.split("?")[0];
+  const ext = cleanPath.split(".").pop().toLowerCase();
+  if (!UPLOAD_ALLOWED_EXTENSIONS.includes(ext)) {
+    common_vendor.index.showToast({
+      title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
+      icon: "none",
+      duration: 3e3
+    });
+    return false;
+  }
+  return true;
+}
 common_vendor.index.addInterceptor("uploadFile", {
   invoke(args) {
-    const filePath = args.filePath;
-    if (filePath) {
-      const cleanPath = filePath.split("?")[0];
-      const ext = cleanPath.split(".").pop().toLowerCase();
-      const allowedExtensions = ["bmp", "gif", "jpg", "jpeg", "png", "doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt", "rar", "zip", "gz", "bz2", "mp4", "avi", "rmvb", "pdf"];
-      if (!allowedExtensions.includes(ext)) {
-        common_vendor.index.showToast({
-          title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
-          icon: "none",
-          duration: 3e3
-        });
-        return false;
-      }
+    const uploadUrl = args.url || "";
+    const isQiniuUpload = QINIU_UPLOAD_HOST_MARKERS.some((m) => uploadUrl.includes(m));
+    if (isQiniuUpload) {
+      return validateUploadLocalFileExt(args.filePath) ? args : false;
     }
-    return args;
+    if (uploadUrl.includes("/frontend/attachment/upload")) {
+      return validateUploadLocalFileExt(args.filePath) ? args : false;
+    }
+    return validateUploadLocalFileExt(args.filePath) ? args : false;
   }
 });
 function createApp() {