修复认证：隔离实名认证内容并处理二维码图片失败

app/components/AuthProviders.vue

@@ -123,6 +123,7 @@ var fe = {
             (e.preventDefault(), (N.value = t[r]), F.value[N.value]?.focus());
           }
           let I = ref(null),
+            imageReady = ref(!1),
             L = ref(!1),
             R = ref(!1),
             z = ref(``),
@@ -158,6 +159,8 @@ var fe = {
             const attempt = C.prepareLogin();
             loginAttempt = attempt;
             (Z(),
+              (I.value = null),
+              (imageReady.value = !1),
               (z.value = ``),
               (R.value = !1),
               (B.value = []),
@@ -178,7 +181,7 @@ var fe = {
                 !t.token
               )
                 throw Error(`二维码加载失败，请重新获取`);
-              ((I.value = t), (z.value = ``), Ee());
+              ((I.value = t), (z.value = ``));
             } catch (t) {
               if (e !== K || !attempt.isCurrent()) return;
               (J(),
@@ -188,6 +191,26 @@ var fe = {
               e === K && (L.value = !1);
             }
           }
+          // 接口返回地址并不代表图片可扫码；只有当前图片解码成功才启动登录轮询。
+          function qrImageLoaded(generation) {
+            if (
+              generation !== K ||
+              L.value ||
+              imageReady.value ||
+              !I.value ||
+              !loginAttempt?.isCurrent()
+            )
+              return;
+            ((imageReady.value = !0), Ee());
+          }
+          function qrImageFailed(generation) {
+            if (generation !== K || !I.value || !loginAttempt?.isCurrent())
+              return;
+            // 图片失败废弃整个扫码代次，迟到的状态响应不能再登录或转入绑定。
+            (Q(),
+              (R.value = !0),
+              (z.value = `二维码图片加载失败，请刷新后重试`));
+          }
           async function De() {
             // 同一代次最多一个查询在途；Wait/Success/Expired/SelectClient/WaitBind 分别处理。
             if (!I.value || q === K || !loginAttempt?.isCurrent()) return;
@@ -273,6 +296,7 @@ var fe = {
             (K++,
               Z(),
               (I.value = null),
+              (imageReady.value = !1),
               (loginAttempt = null),
               (L.value = !1),
               (H.value = !1),
@@ -345,7 +369,8 @@ var fe = {
             (n, r) => {
               let a = radiobutton,
                 s = button,
-                u = message;
+                u = message,
+                imageGeneration = K;
               return unref(k)
                 ? (openBlock(),
                   createElementBlock(`aside`, fe, [
@@ -454,7 +479,9 @@ var fe = {
                                             "qr-box-idle": !unref(I),
                                           },
                                         ]),
-                                        "aria-busy": unref(L),
+                                        "aria-busy":
+                                          unref(L) ||
+                                          (!!unref(I) && !unref(imageReady)),
                                       },
                                       [
                                         unref(I) && !unref(R)
@@ -462,7 +489,7 @@ var fe = {
                                             createElementBlock(
                                               `img`,
                                               {
-                                                key: 0,
+                                                key: imageGeneration,
                                                 class: normalizeClass([
                                                   `qr-img`,
                                                   {
@@ -471,6 +498,14 @@ var fe = {
                                                 ]),
                                                 src: unref(I).img_url,
                                                 alt: `微信扫码登录`,
+                                                onLoad: () =>
+                                                  qrImageLoaded(
+                                                    imageGeneration,
+                                                  ),
+                                                onError: () =>
+                                                  qrImageFailed(
+                                                    imageGeneration,
+                                                  ),
                                               },
                                               null,
                                               10,
@@ -535,7 +570,8 @@ var fe = {
                                       `p`,
                                       ye,
                                       toDisplayString(
-                                        unref(L) && !unref(I)
+                                        unref(L) ||
+                                          (unref(I) && !unref(imageReady))
                                           ? `二维码加载中…`
                                           : unref(B).length
                                             ? `选择账号后继续登录`