diff --git a/components/CommonScript.js b/components/CommonScript.js
index 500b8d48..90b8289e 100644
--- a/components/CommonScript.js
+++ b/components/CommonScript.js
@@ -26,8 +26,8 @@ const CommonScript = () => {
       />
     </>)}
 
-    {/* GoogleAdsense 广告植入 */}
-    {BLOG.googleAdsenseId && (<script data-ad-client={BLOG.googleAdsenseId} async
+    {/* GoogleAdsense */}
+    {BLOG.GOOGLE_ADSENSE_ENABLE && (<script data-ad-client={BLOG.googleAdsenseId} async
               src='https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js'/>)}
 
     {BLOG.COMMENT_TIDIO_ENABLE && (<>
@@ -37,8 +37,9 @@ const CommonScript = () => {
       />
     </>)}
 
-    {/* */}
+    {/* gitter聊天室 */}
     {BLOG.COMMENT_GITTER_ENABLE && (<>
+      <script src="https://sidecar.gitter.im/dist/sidecar.v1.js" async defer/>
       <script async dangerouslySetInnerHTML={{
         __html: `
                 ((window.gitter = {}).chat = {}).options = {
@@ -46,66 +47,62 @@ const CommonScript = () => {
                 };
                 `
       }}/>
-    <script src="https://sidecar.gitter.im/dist/sidecar.v1.js" async defer/>
     </>)}
 
     {/* 代码统计 */}
-    {BLOG.isProd && (<>
+    {/* ackee统计脚本 */}
+    {BLOG.ANALYTICS_ACKEE_ENABLE && (
+      <script async src={BLOG.ANALYTICS_ACKEE_TRACKER}
+              data-ackee-server={BLOG.ANALYTICS_ACKEE_DATA_SERVER}
+              data-ackee-domain-id={BLOG.ANALYTICS_ACKEE_DOMAIN_ID}
+      />
+    )}
 
-        {/* ackee统计脚本 */}
-        {BLOG.ANALYTICS_ACKEE_ENABLE && (
-          <script async src={BLOG.ANALYTICS_ACKEE_TRACKER}
-                  data-ackee-server={BLOG.ANALYTICS_ACKEE_DATA_SERVER}
-                  data-ackee-domain-id={BLOG.ANALYTICS_ACKEE_DOMAIN_ID}
-          />
-        )}
+    {/* 百度统计 */}
+    {BLOG.ANALYTICS_BAIDU_ENABLE && (
+      <script async
+              dangerouslySetInnerHTML={{
+                __html: `
+              var _hmt = _hmt || [];
+              (function() {
+                var hm = document.createElement("script");
+                hm.src = "https://hm.baidu.com/hm.js?${BLOG.ANALYTICS_BAIDU_ID}";
+                var s = document.getElementsByTagName("script")[0]; 
+                s.parentNode.insertBefore(hm, s);
+              })();
+              `
+              }}
+      />
+    )}
 
-        {/* 百度统计 */}
-        {BLOG.ANALYTICS_BAIDU_ENABLE && (
-          <script async
-                  dangerouslySetInnerHTML={{
-                    __html: `
-                  var _hmt = _hmt || [];
-                  (function() {
-                    var hm = document.createElement("script");
-                    hm.src = "https://hm.baidu.com/hm.js?${BLOG.ANALYTICS_BAIDU_ID}";
-                    var s = document.getElementsByTagName("script")[0]; 
-                    s.parentNode.insertBefore(hm, s);
-                  })();
+    {/* 站长统计 */}
+    {BLOG.ANALYTICS_CNZZ_ENABLE && (
+      <script async
+              dangerouslySetInnerHTML={{
+                __html: `
+              document.write(unescape("%3Cspan style='display:none' id='cnzz_stat_icon_${BLOG.ANALYTICS_CNZZ_ID}'%3E%3C/span%3E%3Cscript src='https://s9.cnzz.com/z_stat.php%3Fid%3D${BLOG.ANALYTICS_CNZZ_ID}' type='text/javascript'%3E%3C/script%3E"));
+              `
+              }}
+      />
+    )}
+
+    {/* 谷歌统计 */}
+    {BLOG.ANALYTICS_GOOGLE_ENABLE && (<>
+        <script async
+                src={`https://www.googletagmanager.com/gtag/js?id=${BLOG.ANALYTICS_GOOGLE_ID}`}
+        />
+        <script async
+                dangerouslySetInnerHTML={{
+                  __html: `
+                    window.dataLayer = window.dataLayer || [];
+                    function gtag(){dataLayer.push(arguments);}
+                    gtag('js', new Date());
+                    gtag('config', '${BLOG.ANALYTICS_GOOGLE_ID}', {
+                      page_path: window.location.pathname,
+                    });
                   `
-                  }}
-          />
-        )}
-
-        {/* 站长统计 */}
-        {BLOG.ANALYTICS_CNZZ_ENABLE && (
-          <script async
-                  dangerouslySetInnerHTML={{
-                    __html: `
-                  document.write(unescape("%3Cspan style='display:none' id='cnzz_stat_icon_${BLOG.ANALYTICS_CNZZ_ID}'%3E%3C/span%3E%3Cscript src='https://s9.cnzz.com/z_stat.php%3Fid%3D${BLOG.ANALYTICS_CNZZ_ID}' type='text/javascript'%3E%3C/script%3E"));
-                  `
-                  }}
-          />
-        )}
-
-        {/* 谷歌统计 */}
-        {BLOG.ANALYTICS_GOOGLE_ENABLE && (<>
-            <script async
-                    src={`https://www.googletagmanager.com/gtag/js?id=${BLOG.ANALYTICS_GOOGLE_ID}`}
-            />
-            <script async
-                    dangerouslySetInnerHTML={{
-                      __html: `
-                        window.dataLayer = window.dataLayer || [];
-                        function gtag(){dataLayer.push(arguments);}
-                        gtag('js', new Date());
-                        gtag('config', '${BLOG.ANALYTICS_GOOGLE_ID}', {
-                          page_path: window.location.pathname,
-                        });
-                      `
-                    }}
-            />
-          </>)}
+                }}
+        />
       </>)}
   </>)
 }
diff --git a/pages/_document.js b/pages/_document.js
index 0a19e0f2..5a62d753 100644
--- a/pages/_document.js
+++ b/pages/_document.js
@@ -13,7 +13,6 @@ class MyDocument extends Document {
     return (
       <Html lang={BLOG.LANG}>
         <Head>
-          <title>{BLOG.title}</title>
           <link rel='icon' href='/favicon.ico' />
           <link rel='icon' href='/favicon.svg' type='image/svg+xml' />
           <CommonScript />