这一版本优化了很多

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

@@ -49,6 +49,55 @@ const _sfc_main = {
     common_vendor.index.__f__("log", "at App.vue:10", "App Hide");
   }
 };
+common_vendor.index.addInterceptor("chooseImage", {
+  success(res) {
+    const allowedExtensions = ["bmp", "gif", "jpg", "jpeg", "png"];
+    const validTempFilePaths = [];
+    const validTempFiles = [];
+    let hasInvalid = false;
+    let invalidExt = "";
+    res.tempFiles.forEach((file, index) => {
+      const path = file.path || res.tempFilePaths[index];
+      const cleanPath = path.split("?")[0];
+      const ext = cleanPath.split(".").pop().toLowerCase();
+      if (allowedExtensions.includes(ext)) {
+        validTempFiles.push(file);
+        validTempFilePaths.push(res.tempFilePaths[index]);
+      } else {
+        hasInvalid = true;
+        invalidExt = ext;
+      }
+    });
+    if (hasInvalid) {
+      common_vendor.index.showToast({
+        title: `已过滤不支持的 .${invalidExt} 格式图片，请上传 png/jpg/jpeg/gif/bmp`,
+        icon: "none",
+        duration: 3500
+      });
+    }
+    res.tempFilePaths = validTempFilePaths;
+    res.tempFiles = validTempFiles;
+  }
+});
+common_vendor.index.addInterceptor("uploadFile", {
+  invoke(args) {
+    const filePath = args.filePath;
+    if (filePath) {
+      const cleanPath = filePath.split("?")[0];
+      const ext = cleanPath.split(".").pop().toLowerCase();
+      const allowedExtensions = ["bmp", "gif", "jpg", "jpeg", "png", "doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt", "rar", "zip", "gz", "bz2", "mp4", "avi", "rmvb", "pdf"];
+      if (!allowedExtensions.includes(ext)) {
+        common_vendor.index.showToast({
+          title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
+          icon: "none",
+          duration: 3e3
+        });
+        return false;
+      }
+    }
+    return args;
+  }
+});
 function createApp() {
   const app = common_vendor.createSSRApp(_sfc_main);
   app.use(uni_modules_uviewPlus_index.uviewPlus);