修改完成

html/usercenter.html

@@ -109,6 +109,13 @@
           <button class="uc-btn uc-btn-edit" onclick="openEditProfile()">
             编辑资料
           </button>
+          <button
+            class="uc-btn uc-btn-edit"
+            id="referralBindButton"
+            onclick="openReferralBindPrompt()"
+          >
+            绑定邀请码
+          </button>
           <button
             class="uc-btn uc-btn-expert"
             id="expertApplyBtn"
@@ -820,6 +827,45 @@
           });
       }
 
+      function bindReferralInviteCode(inviteCode) {
+        var $button = $("#referralBindButton");
+        $button.prop("disabled", true).text("绑定中...");
+        ApiClient.post(ApiClient.API.referralBind, { inviteCode: inviteCode })
+          .then(function (res) {
+            if (!ApiClient.isSuccess(res)) {
+              throw new Error((res && res.msg) || "邀请码绑定失败");
+            }
+            $button.text("已绑定");
+            layui.layer.msg("邀请码绑定成功", { icon: 1 });
+          })
+          .catch(function (error) {
+            $button.prop("disabled", false).text("绑定邀请码");
+            layui.layer.msg(error.message || "邀请码绑定失败，请稍后重试", { icon: 2 });
+          });
+      }
+
+      function openReferralBindPrompt() {
+        layui.layer.prompt(
+          { title: "请输入邀请人的邀请码", formType: 0, btn: ["下一步", "取消"] },
+          function (value, promptIndex) {
+            var inviteCode = String(value || "").trim();
+            if (!inviteCode) {
+              layui.layer.msg("请输入邀请码", { icon: 2 });
+              return;
+            }
+            layui.layer.close(promptIndex);
+            layui.layer.confirm(
+              "每个账号只能绑定一个邀请人，绑定后不能更换。确认继续吗？",
+              { title: "确认绑定", btn: ["确认绑定", "取消"] },
+              function (confirmIndex) {
+                layui.layer.close(confirmIndex);
+                bindReferralInviteCode(inviteCode);
+              },
+            );
+          },
+        );
+      }
+
       // ====== Sign-in Records ======
       function loadSignInRecords(pageNum) {
         signInPageNum = pageNum || 1;