修复节点无法编辑的错误

cmd/api/main_entry.go

@@ -139,8 +139,7 @@ func registerUserRoutes(v1 *gin.RouterGroup) {
 	user.GET("/real-name-verification/status", handler.PluginRealNameStatus)
 	user.POST("/real-name-verification/submit", handler.PluginRealNameSubmit)
 	user.GET("/user-online-devices/get-ip", handler.PluginUserOnlineDevicesGetIP)
-	user.POST("/user-add-ipv6-subscription/enable", handler.PluginUserAddIPv6Enable)
+	// User IPv6 subscription - read-only status check (enable/disable is admin-only)
-	user.POST("/user-add-ipv6-subscription/sync-password", handler.PluginUserAddIPv6SyncPassword)
 	user.GET("/user-add-ipv6-subscription/check", handler.PluginUserAddIPv6Check)
 }
 
@@ -295,6 +294,7 @@ func registerAdminRoutesV2(v2 *gin.RouterGroup) {
 	admin.GET("/user-add-ipv6-subscription/config", handler.AdminIPv6SubscriptionConfigFetch)
 	admin.POST("/user-add-ipv6-subscription/config", handler.AdminIPv6SubscriptionConfigSave)
 	admin.POST("/user-add-ipv6-subscription/enable/:userId", handler.AdminIPv6SubscriptionEnable)
+	admin.POST("/user-add-ipv6-subscription/disable/:userId", handler.AdminIPv6SubscriptionDisable)
 	admin.POST("/user-add-ipv6-subscription/sync-password/:userId", handler.AdminIPv6SubscriptionSyncPassword)
 }
 

frontend/admin/app.js

@@ -173,8 +173,12 @@
         const payload = await request(`${cfg.api.onlineDevices}?page=${page}&per_page=20`);
         state.devices = normalizeListPayload(payload);
       } else if (state.route === "user-ipv6-subscription") {
-        const payload = await request(`${cfg.api.ipv6Base}/users?page=${page}&per_page=20`);
+        const [payload, plans] = await Promise.all([
+          request(`${cfg.api.ipv6Base}/users?page=${page}&per_page=20`),
+          request(cfg.api.plans)
+        ]);
         state.ipv6 = normalizeListPayload(payload);
+        state.plans = toArray(unwrap(plans));
       } else if (state.route === "system-config") {
         state.config = unwrap(await request(cfg.api.adminConfig));
       }
@@ -337,18 +341,20 @@
     }
 
     if (action === "node-copy") {
-      await adminPost(`${cfg.api.adminBase}/server/manage/copy`, {
+      const nodeId = Number(actionEl.getAttribute("data-id"));
-        id: Number(actionEl.getAttribute("data-id"))
+      try {
-      });
+        await adminPost(`${cfg.api.adminBase}/server/manage/copy`, { id: nodeId });
+      } catch (e) { /* adminPost already shows error */ }
       await hydrateRoute();
       return;
     }
 
     if (action === "node-delete") {
       if (confirm("确认删除该节点吗？")) {
-        await adminPost(`${cfg.api.adminBase}/server/manage/drop`, {
+        const nodeId = Number(actionEl.getAttribute("data-id"));
-          id: Number(actionEl.getAttribute("data-id"))
+        try {
-        });
+          await adminPost(`${cfg.api.adminBase}/server/manage/drop`, { id: nodeId });
+        } catch (e) { /* adminPost already shows error */ }
         await hydrateRoute();
       }
       return;
@@ -356,15 +362,20 @@
 
     if (action === "node-toggle-visible") {
       event.preventDefault();
+      event.stopPropagation();
+      const nodeId = Number(actionEl.getAttribute("data-id"));
       const input = actionEl.querySelector("input");
       if (!input) {
         return;
       }
-      input.checked = !input.checked;
+      const newShow = !input.checked;
+      input.checked = newShow;
+      try {
         await adminPost(`${cfg.api.adminBase}/server/manage/update`, {
-        id: Number(actionEl.getAttribute("data-id")),
+          id: nodeId,
-        show: input.checked ? 1 : 0
+          show: newShow ? 1 : 0
         });
+      } catch (e) { /* adminPost already shows error */ }
       await hydrateRoute();
       return;
     }
@@ -436,10 +447,20 @@
       return;
     }
 
-    if (action === "ipv6-enable") {
+    if (action === "ipv6-enable-modal") {
       const userId = actionEl.getAttribute("data-user-id");
-      await adminPost(`${cfg.api.ipv6Base}/enable/${userId}`, {});
+      const userEmail = actionEl.getAttribute("data-email") || "";
+      state.modal = { type: "ipv6-enable", data: { userId, email: userEmail } };
+      render();
+      return;
+    }
+
+    if (action === "ipv6-disable") {
+      const userId = actionEl.getAttribute("data-user-id");
+      if (confirm("确认关闭该用户的 IPv6 子账号？（软禁用，可恢复）")) {
+        await adminPost(`${cfg.api.ipv6Base}/disable/${userId}`, {});
         await hydrateRoute();
+      }
       return;
     }
 
@@ -505,6 +526,14 @@
     }
 
     if (!target) {
+      if (action === "ipv6-enable-save") {
+        const userId = body.user_id;
+        const planId = Number(body.plan_id) || 0;
+        await adminPost(`${cfg.api.ipv6Base}/enable/${userId}`, { plan_id: planId });
+        state.modal = null;
+        await hydrateRoute();
+        return;
+      }
       return;
     }
 
@@ -953,8 +982,21 @@
   }
 
   function renderIPv6Manage() {
-    const rows = state.ipv6.list.map((item) => [
+    const rows = state.ipv6.list.map((item) => {
-      renderRelationChip(item.id, item.shadow_user_id || "-"),
+      const isActive = item.is_active || item.status === "active";
+      const isDisabled = item.status === "disabled";
+      const actions = [];
+      if (isActive) {
+        actions.push(buttonAction("关闭", "ipv6-disable", null, `data-user-id="${item.id}"`));
+        actions.push(buttonAction("同步密码", "ipv6-sync-password", null, `data-user-id="${item.id}"`));
+      } else {
+        actions.push(buttonAction("开通", "ipv6-enable-modal", null, `data-user-id="${item.id}" data-email="${escapeHtml(item.email || "")}"`));
+      }
+      if (isDisabled) {
+        actions.unshift(buttonAction("重新开通", "ipv6-enable-modal", null, `data-user-id="${item.id}" data-email="${escapeHtml(item.email || "")}"`));
+      }
+      return [
+        `<code>${item.id}</code>`,
         [
           `<strong>${escapeHtml(item.email || "-")}</strong>`,
           `<div class="subtle-text">${escapeHtml(item.ipv6_email || "-")}</div>`
@@ -962,14 +1004,12 @@
         escapeHtml(item.plan_name || "-"),
         renderStatus(item.status_label || item.status || "-"),
         escapeHtml(formatDate(item.updated_at)),
-      renderActionRow([
+        renderActionRow(actions)
-        buttonAction("开通/同步", "ipv6-enable", null, `data-user-id="${item.id}"`),
+      ];
-        buttonAction("同步密码", "ipv6-sync-password", null, `data-user-id="${item.id}"`)
+    });
-      ])
-    ]);
 
     return [
-      wrapTable(["主从关系", "账号", "套餐", "状态", "更新时间", "操作"], rows),
+      wrapTable(["用户ID", "账号", "IPv6 套餐", "状态", "更新时间", "操作"], rows),
       renderPagination(state.ipv6.pagination)
     ].join("");
   }
@@ -1034,6 +1074,8 @@
                 ? renderGroupForm(modal.data)
                 : modal.type === "route"
                   ? renderRouteForm(modal.data)
+                  : modal.type === "ipv6-enable"
+                    ? renderIPv6EnableForm(modal.data)
                     : "";
 
     return [
@@ -1276,6 +1318,18 @@
     return `<div class="toolbar toolbar-spaced"><button class="btn btn-primary" type="submit">${escapeHtml(label)}</button></div>`;
   }
 
+  function renderIPv6EnableForm(data) {
+    return [
+      `<h2>开通 IPv6 子账号</h2>`,
+      `<p>用户: <strong>${escapeHtml(data.email || data.userId)}</strong></p>`,
+      '<form data-form="ipv6-enable-save">',
+      hiddenField("user_id", data.userId),
+      selectField("IPv6 套餐", "plan_id", state.plans, 0, true),
+      submitRow("确认开通"),
+      "</form>"
+    ].join("");
+  }
+
   function setBusy(value) {
     state.busy = value;
     render();
@@ -1293,9 +1347,14 @@
   }
 
   async function adminPost(url, body) {
+    try {
       const response = await request(url, { method: "POST", body });
       show("操作成功", "success");
       return response;
+    } catch (error) {
+      show(error.message || "操作失败", "error");
+      throw error;
+    }
   }
 
   async function request(url, options) {
@@ -1382,7 +1441,7 @@
         return;
       }
 
-      if (["id", "group_id", "transfer_enable", "speed_limit", "balance", "plan_id", "device_limit", "server_port", "value"].includes(key)) {
+      if (["id", "group_id", "transfer_enable", "speed_limit", "balance", "plan_id", "device_limit", "server_port", "value", "user_id"].includes(key)) {
         values[key] = rawValue === "" ? null : Number(rawValue);
         return;
       }
@@ -1492,6 +1551,8 @@
       type = "ok";
     } else if (/(pending|warn|unverified|eligible|ready)/.test(normalized)) {
       type = "warn";
+    } else if (/(disabled)/.test(normalized)) {
+      type = "warn";
     }
     return `<span class="status-pill status-${type}">${escapeHtml(text)}</span>`;
   }

frontend/templates/admin_plugin_panel.html

@@ -761,10 +761,9 @@
         const list = payload.list || [];
         document.getElementById("thead").innerHTML = `
           <tr>
-            <th>主从关系</th>
+            <th>用户 ID</th>
             <th>主账号</th>
-            <th>IPv6 账号</th>
+            <th>IPv6 套餐</th>
-            <th>套餐</th>
             <th>状态</th>
             <th>操作</th>
           </tr>
@@ -772,26 +771,110 @@
         document.getElementById("tbody").innerHTML = list.length
           ? list
               .map(
-                (item) => `
+                (item) => {
+                  const isActive = item.is_active || item.status === "active";
+                  const isDisabled = item.status === "disabled";
+                  let actionButtons = "";
+                  if (isActive) {
+                    actionButtons = `
+                      <button class="btn" onclick="ipv6Disable(${item.id})">关闭</button>
+                      <button class="btn" onclick="ipv6SyncPassword(${item.id})">同步密码</button>
+                    `;
+                  } else {
+                    actionButtons = `
+                      <button class="btn btn-primary" onclick="ipv6ShowEnableDialog(${item.id}, '${(item.email || '').replace(/'/g, "\\'")}')">开通</button>
+                    `;
+                  }
+                  if (isDisabled) {
+                    actionButtons = `
+                      <button class="btn btn-primary" onclick="ipv6ShowEnableDialog(${item.id}, '${(item.email || '').replace(/'/g, "\\'")}')">重新开通</button>
+                    ` + actionButtons;
+                  }
+                  return `
           <tr>
-            <td>${relationChip(item.id, item.shadow_user_id || "-")}</td>
+            <td class="mono">${item.id}</td>
             <td>${item.email || "-"}</td>
-            <td class="mono">${item.ipv6_email || "-"}</td>
             <td>${item.plan_name || "-"}</td>
             <td>${statusBadge(item.status_label || item.status)}</td>
             <td>
               <div class="actions">
-                <button class="btn btn-primary" onclick="ipv6Enable(${item.id})">开通并同步</button>
+                ${actionButtons}
-                <button class="btn" onclick="ipv6SyncPassword(${item.id})">同步密码</button>
               </div>
             </td>
-          </tr>`,
+          </tr>`;
+                },
               )
               .join("")
-          : `<tr><td colspan="6" class="empty">暂无数据</td></tr>`;
+          : `<tr><td colspan="5" class="empty">暂无数据</td></tr>`;
         return payload.pagination || { current: 1, last_page: 1, total: list.length };
       }
 
+      let ipv6Plans = [];
+      async function loadIpv6Plans() {
+        if (ipv6Plans.length > 0) return;
+        try {
+          const data = await request(`${apiBase}/plan/fetch`);
+          ipv6Plans = Array.isArray(data) ? data : (data && data.data ? data.data : []);
+        } catch (e) {
+          ipv6Plans = [];
+        }
+      }
+
+      function ipv6ShowEnableDialog(userId, email) {
+        loadIpv6Plans().then(() => {
+          const options = ipv6Plans.map(p => `<option value="${p.id}">${p.name || p.id}</option>`).join("");
+          const dialogHtml = `
+            <div id="ipv6-enable-dialog" class="dialog-mask is-open" style="z-index:1000">
+              <div class="dialog" style="width:min(420px,100%);max-height:none">
+                <div style="padding:20px">
+                  <h3 style="margin:0 0 8px">开通 IPv6 子账号</h3>
+                  <p style="margin:0 0 16px;color:var(--muted);font-size:14px">用户: <strong>${email || userId}</strong></p>
+                  <label style="display:block;margin-bottom:6px;font-size:13px;font-weight:600">选择 IPv6 套餐</label>
+                  <select id="ipv6-plan-select" class="field" style="width:100%;margin-bottom:20px">
+                    <option value="0">使用默认套餐</option>
+                    ${options}
+                  </select>
+                  <div style="display:flex;gap:10px;justify-content:flex-end">
+                    <button class="btn" onclick="ipv6CloseEnableDialog()">取消</button>
+                    <button class="btn btn-primary" onclick="ipv6ConfirmEnable(${userId})">确认开通</button>
+                  </div>
+                </div>
+              </div>
+            </div>
+          `;
+          document.body.insertAdjacentHTML("beforeend", dialogHtml);
+        });
+      }
+
+      function ipv6CloseEnableDialog() {
+        const dialog = document.getElementById("ipv6-enable-dialog");
+        if (dialog) dialog.remove();
+      }
+
+      async function ipv6ConfirmEnable(userId) {
+        const select = document.getElementById("ipv6-plan-select");
+        const planId = select ? Number(select.value) || 0 : 0;
+        ipv6CloseEnableDialog();
+        await request(`${apiBase}/user-add-ipv6-subscription/enable/${userId}`, "POST", { plan_id: planId });
+        await loadData(state.page);
+      }
+
+      async function ipv6Enable(id) {
+        await request(`${apiBase}/user-add-ipv6-subscription/enable/${id}`, "POST", {});
+        await loadData(state.page);
+      }
+
+      async function ipv6Disable(id) {
+        if (!confirm("确认关闭该用户的 IPv6 子账号？（软禁用，可恢复）")) return;
+        await request(`${apiBase}/user-add-ipv6-subscription/disable/${id}`, "POST", {});
+        await loadData(state.page);
+      }
+
+      async function ipv6SyncPassword(id) {
+        await request(`${apiBase}/user-add-ipv6-subscription/sync-password/${id}`, "POST", {});
+        await loadData(state.page);
+      }
+
       async function loadData(page = 1) {
         const payload = await request(endpoint(page));
         const pagination =
@@ -814,16 +897,6 @@
         await loadData(state.page);
       }
 
-      async function ipv6Enable(id) {
-        await request(`${apiBase}/user-add-ipv6-subscription/enable/${id}`, "POST", {});
-        await loadData(state.page);
-      }
-
-      async function ipv6SyncPassword(id) {
-        await request(`${apiBase}/user-add-ipv6-subscription/sync-password/${id}`, "POST", {});
-        await loadData(state.page);
-      }
-
       function openMenuDialog() {
         document.getElementById("menu-dialog").classList.add("is-open");
         document.getElementById("menu-dialog").setAttribute("aria-hidden", "false");

frontend/theme/Nebula/assets/app.js

@@ -405,16 +405,6 @@
       render();
     }
 
-    if (action === "enable-ipv6") {
-      handleEnableIpv6(actionEl);
-      return;
-    }
-    
-    if (action === "sync-ipv6-password") {
-      handleSyncIpv6Password(actionEl);
-      return;
-    }
-
     if (action === "copy-node-info") {
       handleCopyNodeInfo(actionEl.getAttribute("data-node-id"));
       return;
@@ -916,39 +906,7 @@
     }
   }
 
-  async function handleEnableIpv6(actionEl) {
-    actionEl.disabled = true;
-    try {
-      var response = await fetchJson("/api/v1/user/user-add-ipv6-subscription/enable", { method: "POST" });
-      var payload = unwrap(response) || {};
-      if (payload.auth_data) {
-        saveIpv6Token(payload.auth_data);
-        state.ipv6AuthToken = getStoredIpv6Token();
-      }
-      showMessage("IPv6 订阅已开启，正在刷新...", "success");
-      // Try to login to IPv6 account if possible, or just refresh dashboard
-      // Since we don't have the password here (state doesn't keep it), 
-      // the user might need to sync password first or we assume it was synced during creation.
-      await loadDashboard(true);
-      render();
-    } catch (error) {
-      showMessage(error.message || "开启失败", "error");
-    } finally {
-      actionEl.disabled = false;
-    }
-  }
 
-  async function handleSyncIpv6Password(actionEl) {
-    actionEl.disabled = true;
-    try {
-      await fetchJson("/api/v1/user/user-add-ipv6-subscription/sync-password", { method: "POST" });
-      showMessage("密码已同步到 IPv6 账户", "success");
-    } catch (error) {
-      showMessage(error.message || "同步失败", "error");
-    } finally {
-      actionEl.disabled = false;
-    }
-  }
 
   async function loadUplinkMetric() {
     if (state.authToken) {
@@ -1589,17 +1547,28 @@
     var resetAction = isIpv6 ? "reset-ipv6-security" : "reset-security";
 
     if (isIpv6 && !state.ipv6AuthToken) {
-      // If IPv6 not enabled, we still want to show the section with an "Enable" button
+      // IPv6 not enabled - show guidance to submit a ticket
-      // But we need to make sure we don't crash on 'sub' or 'user'
     } else if (isIpv6 && !sub) {
       return "";
     }
 
+    var ipv6FooterHtml = "";
+    if (isIpv6 && !state.ipv6AuthToken) {
+      var statusText = ipv6Eligibility.status_label || "未开通";
+      var guidanceText = "IPv6 订阅需要通过工单由管理员开通，请提交工单申请。";
+      if (ipv6Eligibility.is_active) {
+        guidanceText = "您的 IPv6 已开通，如有问题请联系管理员。";
+      }
+      ipv6FooterHtml = '<div class="card-footer" style="margin-top:16px;border-top:1px solid var(--border-color);padding-top:16px">' +
+        '<div class="empty-state" style="padding:0;text-align:left">' +
+        '<strong>' + escapeHtml(statusText) + '</strong> — ' + escapeHtml(guidanceText) +
+        '</div></div>';
+    }
+
     var html = [
       '<article class="section-card glass-card ' + escapeHtml(extraClass) + '">',
       '<div class="section-head"><div><span class="tiny-pill">' + prefix + '订阅</span><h3>连接工具</h3></div><div class="toolbar">',
                   '<button class="btn btn-secondary" data-action="' + copyAction + '">复制链接</button>',
-                  isIpv6 ? '<button class="btn btn-primary" data-action="sync-ipv6-password">同步密码</button>' : '',
                   "</div></div>",
                   '<div class="kpi-row">',
                   !isIpv6 ? kpiBox("套餐", escapeHtml((sub && sub.plan && sub.plan.name) || "暂无套餐")) : "",
@@ -1607,20 +1576,9 @@
                   kpiBox("重置日", String((sub && sub.reset_day) || "-")),
                   !isIpv6 ? kpiBox("邮箱", '<span style="font-family:var(--font-mono)">' + escapeHtml((user && user.email) || "-") + "</span>") : "",
                   "</div>",
-                  (isIpv6 && !state.ipv6AuthToken) ? '<div class="card-footer" style="margin-top:16px;border-top:1px solid var(--border-color);padding-top:16px"><button class="btn btn-primary btn-block" data-action="enable-ipv6">开启 IPv6 订阅</button></div>' : '',
+                  ipv6FooterHtml,
                   "</article>"
     ].join("");
-    if (isIpv6 && !state.ipv6AuthToken) {
-      if (!ipv6Eligibility.allowed) {
-        html = html.replace(
-          /<div class="card-footer" style="margin-top:16px;border-top:1px solid var\(--border-color\);padding-top:16px"><button class="btn btn-primary btn-block" data-action="enable-ipv6">[\s\S]*?<\/button><\/div>/,
-          '<div class="card-footer" style="margin-top:16px;border-top:1px solid var(--border-color);padding-top:16px"><div class="empty-state" style="padding:0;text-align:left">' + escapeHtml(ipv6Eligibility.reason || ipv6Eligibility.status_label || "Current account is not eligible for IPv6 self-service") + '</div></div>'
-        );
-      }
-      if (!ipv6Eligibility.is_active) {
-        html = html.replace(/<button class="btn btn-primary" data-action="sync-ipv6-password">[\s\S]*?<\/button>/, "");
-      }
-    }
     return html;
   }
 

internal/handler/plugin_api.go

@@ -18,6 +18,8 @@ func ipv6StatusPresentation(status string, allowed bool) (string, string, string
 	switch status {
 	case "active":
 		return "active", "IPv6 enabled", ""
+	case "disabled":
+		return "disabled", "IPv6 disabled", ""
 	case "eligible":
 		return "eligible", "Ready to enable", ""
 	case "", "not_allowed", "not_eligible", "disallowed":
@@ -233,7 +235,7 @@ func AdminIPv6SubscriptionUsers(c *gin.Context) {
 		planNameValue := planNames[shadowPlanID]
 		if hasShadowUser {
 			planID = intFromPointer(shadowUser.PlanID)
-			planNameValue = planName(shadowUser.Plan)
+			planNameValue = firstString(planName(shadowUser.Plan), planNames[planID])
 		}
 		shadowUserID := 0
 		shadowUpdatedAt := int64(0)
@@ -346,6 +348,11 @@ func AdminIPv6SubscriptionEnable(c *gin.Context) {
 		return
 	}
 
+	var payload struct {
+		PlanID int `json:"plan_id"`
+	}
+	_ = c.ShouldBindJSON(&payload)
+
 	var user model.User
 	if err := database.DB.Preload("Plan").First(&user, userID).Error; err != nil {
 		Fail(c, 404, "user not found")
@@ -356,14 +363,35 @@ func AdminIPv6SubscriptionEnable(c *gin.Context) {
 		return
 	}
 
-	if !service.SyncIPv6ShadowAccount(&user) {
+	if !service.SyncIPv6ShadowAccountWithPlan(&user, payload.PlanID) {
-		Fail(c, 403, "user plan does not support ipv6 subscription")
+		Fail(c, 500, "failed to create/sync IPv6 subscription")
 		return
 	}
 
 	SuccessMessage(c, "IPv6 subscription enabled/synced", true)
 }
 
+func AdminIPv6SubscriptionDisable(c *gin.Context) {
+	userID := parsePositiveInt(c.Param("userId"), 0)
+	if userID == 0 {
+		Fail(c, 400, "invalid user id")
+		return
+	}
+
+	var user model.User
+	if err := database.DB.First(&user, userID).Error; err != nil {
+		Fail(c, 404, "user not found")
+		return
+	}
+
+	if !service.DisableIPv6ShadowAccount(&user) {
+		Fail(c, 500, "failed to disable IPv6 subscription")
+		return
+	}
+
+	SuccessMessage(c, "IPv6 subscription disabled", true)
+}
+
 func AdminIPv6SubscriptionSyncPassword(c *gin.Context) {
 	userID := parsePositiveInt(c.Param("userId"), 0)
 	if userID == 0 {

internal/service/plugin.go

@@ -74,19 +74,14 @@ func GetPluginConfigBool(code, key string, defaultValue bool) bool {
 }
 
 func SyncIPv6ShadowAccount(user *model.User) bool {
-	if user == nil {
+	return SyncIPv6ShadowAccountWithPlan(user, 0)
-		return false
+}
-	}
 
-	var plan *model.Plan
+// SyncIPv6ShadowAccountWithPlan creates or syncs an IPv6 shadow account.
-	if user.PlanID != nil {
+// If overridePlanID > 0, it overrides the global ipv6_plan_id config for this user.
-		var loadedPlan model.Plan
+// This function no longer checks PluginUserAllowed — it is admin-only.
-		if err := database.DB.First(&loadedPlan, *user.PlanID).Error; err == nil {
+func SyncIPv6ShadowAccountWithPlan(user *model.User, overridePlanID int) bool {
-			plan = &loadedPlan
+	if user == nil {
-		}
-	}
-	if !PluginUserAllowed(user, plan) {
-		syncIPv6SubscriptionRecord(user, nil, false, "not_allowed")
 		return false
 	}
 
@@ -113,9 +108,13 @@ func SyncIPv6ShadowAccount(user *model.User) bool {
 	ipv6User.U = 0
 	ipv6User.D = 0
 	ipv6User.T = 0
+	ipv6User.Banned = false
 	ipv6User.UpdatedAt = now
 
-	if planID := parsePluginPositiveInt(GetPluginConfigString(PluginUserAddIPv6, "ipv6_plan_id", "0"), 0); planID > 0 {
+	// Determine which plan to assign: override > global config
+	if overridePlanID > 0 {
+		ipv6User.PlanID = &overridePlanID
+	} else if planID := parsePluginPositiveInt(GetPluginConfigString(PluginUserAddIPv6, "ipv6_plan_id", "0"), 0); planID > 0 {
 		ipv6User.PlanID = &planID
 	}
 	if groupID := parsePluginPositiveInt(GetPluginConfigString(PluginUserAddIPv6, "ipv6_group_id", "0"), 0); groupID > 0 {
@@ -134,6 +133,32 @@ func SyncIPv6ShadowAccount(user *model.User) bool {
 	return true
 }
 
+// DisableIPv6ShadowAccount soft-disables the IPv6 shadow account for a user.
+// It bans the shadow user and marks the subscription as disabled.
+func DisableIPv6ShadowAccount(user *model.User) bool {
+	if user == nil {
+		return false
+	}
+
+	ipv6Email := IPv6ShadowEmail(user.Email)
+	var ipv6User model.User
+	if err := database.DB.Where("email = ? AND parent_id = ?", ipv6Email, user.ID).First(&ipv6User).Error; err != nil {
+		// No shadow user found, just update subscription record
+		syncIPv6SubscriptionRecord(user, nil, false, "disabled")
+		return true
+	}
+
+	// Ban the shadow user (soft disable)
+	now := time.Now().Unix()
+	_ = database.DB.Model(&model.User{}).Where("id = ?", ipv6User.ID).Updates(map[string]any{
+		"banned":     true,
+		"updated_at": now,
+	}).Error
+
+	syncIPv6SubscriptionRecord(user, &ipv6User, false, "disabled")
+	return true
+}
+
 func PluginPlanAllowed(plan *model.Plan) bool {
 	return PluginUserAllowed(nil, plan)
 }