diff --git a/sidepanel/contribution-mode.js b/sidepanel/contribution-mode.js
index 0a9d6b0..50aedf7 100644
--- a/sidepanel/contribution-mode.js
+++ b/sidepanel/contribution-mode.js
@@ -12,7 +12,7 @@
       constants = {},
     } = context;
 
-    const contributionUploadUrl = constants.contributionUploadUrl || 'https://apikey.qzz.io/';
+    const contributionUploadUrl = constants.contributionUploadUrl || 'https://apikey.qzz.io';
     const pollIntervalMs = Math.max(1500, Math.floor(Number(constants.pollIntervalMs) || 2500));
 
     const hiddenRows = [
@@ -173,6 +173,18 @@
       return normalizeString(currentState.contributionStatusMessage) || DEFAULT_COPY;
     }
 
+    function getContributionUploadPageUrl() {
+      return normalizeString(contributionUploadUrl);
+    }
+
+    function openContributionUploadPage() {
+      const targetUrl = getContributionUploadPageUrl();
+      if (!targetUrl) {
+        return;
+      }
+      helpers.openExternalUrl?.(targetUrl);
+    }
+
     async function syncContributionProfile(partial = {}) {
       const payload = {
         nickname: normalizeString(partial.nickname),
@@ -360,6 +372,11 @@
           return;
         }
         actionInFlight = true;
+        try {
+          openContributionUploadPage();
+        } catch (error) {
+          helpers.showToast?.(`打开上传页面失败：${error.message}`, 'error');
+        }
         render();
         try {
           await enterContributionMode();
@@ -415,7 +432,7 @@
 
       dom.btnOpenContributionUpload?.addEventListener('click', () => {
         try {
-          helpers.openExternalUrl?.(contributionUploadUrl);
+          openContributionUploadPage();
         } catch (error) {
           helpers.showToast?.(`打开上传页面失败：${error.message}`, 'error');
         }
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index a4dd03f..1d75231 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -35,7 +35,7 @@
     <div class="header-btns">
       <div class="run-group">
         <button id="btn-contribution-mode" class="btn btn-outline btn-sm btn-contribution-mode" type="button"
-          aria-pressed="false" title="进入贡献模式">贡献/使用</button>
+          aria-pressed="false" title="进入贡献模式并打开上传页">贡献/使用</button>
         <input type="number" id="input-run-count" class="run-count-input" value="1" min="1" max="50" title="运行次数" />
         <button id="btn-auto-run" class="btn btn-success" title="自动执行全部步骤">
           <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index cbf201c..cac5117 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -3271,7 +3271,7 @@ const contributionModeManager = window.SidepanelContributionMode?.createContribu
   },
   constants: {
     contributionOauthUrl: 'https://apikey.qzz.io/oauth/',
-    contributionUploadUrl: 'https://apikey.qzz.io/',
+    contributionUploadUrl: 'https://apikey.qzz.io',
   },
 });
 const renderContributionMode = contributionModeManager?.render
diff --git a/tests/sidepanel-contribution-button.test.js b/tests/sidepanel-contribution-button.test.js
index d9976d3..3608d8d 100644
--- a/tests/sidepanel-contribution-button.test.js
+++ b/tests/sidepanel-contribution-button.test.js
@@ -7,7 +7,7 @@ test('sidepanel html keeps a single contribution mode button in header', () => {
   const matches = html.match(/id="btn-contribution-mode"/g) || [];
 
   assert.equal(matches.length, 1);
-  assert.match(html, /id="btn-contribution-mode"[^>]*title="进入贡献模式"/);
+  assert.match(html, /id="btn-contribution-mode"[^>]*title="进入贡献模式并打开上传页"/);
   assert.match(html, />贡献\/使用<\/button>/);
 });
 
diff --git a/tests/sidepanel-contribution-mode.test.js b/tests/sidepanel-contribution-mode.test.js
index d41a214..fca11f2 100644
--- a/tests/sidepanel-contribution-mode.test.js
+++ b/tests/sidepanel-contribution-mode.test.js
@@ -393,7 +393,7 @@ test('contribution mode manager enters mode, starts main auto flow, polls contri
       },
     },
     constants: {
-      contributionUploadUrl: 'https://apikey.qzz.io/',
+      contributionUploadUrl: 'https://apikey.qzz.io',
       pollIntervalMs: 2500,
     },
   });
@@ -420,6 +420,7 @@ test('contribution mode manager enters mode, starts main auto flow, polls contri
   assert.ok(updateSyncUiCount >= 1);
   assert.ok(updateConfigMenuCount >= 1);
   assert.equal(timers.length, 0);
+  assert.deepStrictEqual(openedUrls, ['https://apikey.qzz.io']);
 
   dom.inputContributionNickname.value = '贡献者昵称';
   dom.inputContributionQq.value = '123456';
@@ -440,7 +441,7 @@ test('contribution mode manager enters mode, starts main auto flow, polls contri
   assert.equal(dom.contributionModeSummary.textContent, '\u5df2\u63d0\u4ea4\u56de\u8c03\uff0c\u7b49\u5f85 CPA \u786e\u8ba4');
 
   dom.btnOpenContributionUpload.listeners.click();
-  assert.deepStrictEqual(openedUrls, ['https://apikey.qzz.io/']);
+  assert.deepStrictEqual(openedUrls, ['https://apikey.qzz.io', 'https://apikey.qzz.io']);
 
   await dom.btnExitContributionMode.listeners.click();
   manager.render();