diff --git a/lib/components/extraFile/gallery/index.js b/lib/components/extraFile/gallery/index.js
index 14da94912..1a643b27a 100644
--- a/lib/components/extraFile/gallery/index.js
+++ b/lib/components/extraFile/gallery/index.js
@@ -135,6 +135,10 @@ exports.default = OakComponent({
             type: Boolean,
             value: false,
         },
+        disabled: { // web独有
+            type: Boolean,
+            value: false,
+        },
         type: String,
         origin: String,
         tag1: String,
diff --git a/lib/context/BackendRuntimeContext.js b/lib/context/BackendRuntimeContext.js
index f6c0842e6..5ca814e93 100644
--- a/lib/context/BackendRuntimeContext.js
+++ b/lib/context/BackendRuntimeContext.js
@@ -51,7 +51,7 @@ var BackendRuntimeContext = /** @class */ (function (_super) {
                         if (!(_g < _e.length)) return [3 /*break*/, 6];
                         id = _e[_g];
                         wechatQrCodeData = wechatQrCodeListObj[id];
-                        if (!(wechatQrCodeData.type === 'wechatMpWxaCode')) return [3 /*break*/, 5];
+                        if (!(wechatQrCodeData.hasOwnProperty('buffer') && wechatQrCodeData.type === 'wechatMpWxaCode')) return [3 /*break*/, 5];
                         return [4 /*yield*/, (0, wechatQrCode_1.getMpUnlimitWxaCode)(id, this)];
                     case 4:
                         buffer = _j.sent();
diff --git a/src/components/extraFile/gallery/index.ts b/src/components/extraFile/gallery/index.ts
index 30c0bd4e6..49339f390 100644
--- a/src/components/extraFile/gallery/index.ts
+++ b/src/components/extraFile/gallery/index.ts
@@ -135,6 +135,10 @@ export default OakComponent({
             type: Boolean,
             value: false,
         },
+        disabled: { // web独有
+            type: Boolean,
+            value: false,
+        },
         type: String,
         origin: String,
         tag1: String,
@@ -469,7 +473,7 @@ export default OakComponent({
                     wx.hideLoading();
                     that.setMessage({
                         type: 'error',
-                        content: '下载文件失败'
+                        content: '下载文件失败',
                     });
                 },
                 complete: function (res) {},
diff --git a/src/context/BackendRuntimeContext.ts b/src/context/BackendRuntimeContext.ts
index 71692ed58..41081e9f5 100644
--- a/src/context/BackendRuntimeContext.ts
+++ b/src/context/BackendRuntimeContext.ts
@@ -32,7 +32,7 @@ export class BackendRuntimeContext<ED extends EntityDict> extends AsyncContext<E
                         const wechatQrCodeListObj = d[entity];
                         for (const id in wechatQrCodeListObj) {
                             const wechatQrCodeData = wechatQrCodeListObj[id] as Partial<EntityDict['wechatQrCode']['OpSchema']>;
-                            if (wechatQrCodeData.type === 'wechatMpWxaCode') {
+                            if (wechatQrCodeData.hasOwnProperty('buffer') && wechatQrCodeData.type === 'wechatMpWxaCode') {
                                 const buffer = await getMpUnlimitWxaCode<ED, keyof ED, BackendRuntimeContext<ED>>(
                                     id,
                                     this,