diff --git a/layouts/partials/nav.html b/layouts/partials/nav.html
index 34d01d9d7adb133d6e54befa8ff5b9034736e185..62d5b2c0d6f27d0cd5ade908749adfc93c6e0998 100644
--- a/layouts/partials/nav.html
+++ b/layouts/partials/nav.html
@@ -30,8 +30,8 @@
             </div>
           </div>
           <div name="lang" id="lang">
-            <span>{{ i18n "current_lang" }}</span>
-            <i class="icon-down"></i>
+            <i class="icon-locale"></i>
+            <div class="locale-tag"></div>
             <div class="option web-lang lang-menu-list">
               <a href="/zh/" class="lang-item">{{ .Site.Params.languageZh }}</a>
               <a href="/en/" class="lang-item">{{ .Site.Params.languageEn }}</a>
diff --git a/static/css/common.css b/static/css/common.css
index 55d5bc9f2645d9fff5798668eab832739466a730..e880ad7cba2a3740a7b139d9c6c834a339befc30 100644
--- a/static/css/common.css
+++ b/static/css/common.css
@@ -281,6 +281,32 @@ i {
   background-image: url("../img/common/icon-down-dark.svg");
 }
 
+.icon-locale {
+  display: block;
+  width: 26px;
+  height: 26px;
+  background-image: url("../img/common/icon-locale-light.svg");
+}
+.light .icon-locale {
+  background-image: url("../img/common/icon-locale-light.svg");
+}
+.dark .icon-locale {
+  background-image: url("../img/common/icon-locale-dark.svg");
+}
+
+.locale-tag {
+  position: absolute;
+  font-size: 10px;
+  height: 12px;
+  width: 12px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  left: 12px;
+  top: 28px;
+  background: var(--e-color-bg1);
+}
+
 .web-lang {
   margin-left: 20px;
 }
diff --git a/static/css/revision_new.css b/static/css/revision_new.css
index a6e8b93c595abecfca8837f7afa691063fd1b4ac..be8fbfedec45704e135f24e87654b58556853230 100644
--- a/static/css/revision_new.css
+++ b/static/css/revision_new.css
@@ -219,7 +219,7 @@
   width: 84px;
   position: absolute;
   top: 46px;
-  left: -40px;
+  left: -50px;
   background: var(--e-color-bg2);
   padding: 0 var(--o-spacing-h5);
   cursor: pointer;
diff --git a/static/img/common/icon-locale-dark.svg b/static/img/common/icon-locale-dark.svg
new file mode 100644
index 0000000000000000000000000000000000000000..edebc679d3743f1f83a013fed6f3a4f8ee485f74
--- /dev/null
+++ b/static/img/common/icon-locale-dark.svg
@@ -0,0 +1,3 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+<path opacity="0.8" fill="#fff" d="M12.066 3.3c4.775 0.035 8.634 3.917 8.634 8.7s-3.859 8.664-8.633 8.699c-0.024 0.003-0.049 0.004-0.073 0.004-0.019 0-0.038-0.001-0.057-0.003l-0.005-0c-4.774-0.036-8.633-3.918-8.633-8.7s3.859-8.664 8.634-8.7h0.005c0.022-0.002 0.045-0.003 0.067-0.003 0.020 0 0.040 0.001 0.060 0.003zM4.733 11.3h2.589c0.021-0.33 0.058-0.658 0.109-0.984 0.045-0.288 0.103-0.573 0.172-0.857 0.096-0.393 0.213-0.778 0.352-1.155 0.146-0.398 0.317-0.787 0.511-1.168 0.171-0.336 0.36-0.661 0.564-0.975 0.239-0.366 0.501-0.718 0.785-1.055 0.028-0.033 0.056-0.066 0.084-0.099-2.793 0.837-4.882 3.302-5.167 6.293zM4.733 12.7c0.284 2.991 2.374 5.456 5.167 6.293l-0.084-0.099c-0.284-0.337-0.546-0.689-0.785-1.055-0.205-0.314-0.393-0.639-0.564-0.975-0.195-0.38-0.365-0.77-0.511-1.168-0.139-0.377-0.256-0.762-0.352-1.155-0.069-0.284-0.126-0.57-0.172-0.857-0.052-0.326-0.088-0.654-0.109-0.984h-2.589zM8.726 12.7c0.020 0.274 0.053 0.547 0.097 0.817 0.038 0.232 0.085 0.464 0.141 0.693 0.171 0.702 0.42 1.374 0.749 2.017 0.147 0.288 0.309 0.567 0.484 0.837 0.21 0.322 0.439 0.631 0.689 0.927 0.242 0.287 0.5 0.558 0.774 0.812l0.071 0.065q0.132 0.121 0.27 0.237 0.137-0.116 0.27-0.237l0.071-0.065c0.273-0.254 0.531-0.525 0.774-0.812 0.25-0.296 0.479-0.605 0.689-0.927 0.175-0.27 0.337-0.549 0.484-0.837 0.329-0.643 0.578-1.316 0.749-2.017 0.056-0.23 0.103-0.461 0.141-0.693 0.044-0.27 0.077-0.543 0.097-0.817h-6.548zM15.274 11.3c-0.020-0.274-0.053-0.547-0.097-0.817-0.038-0.233-0.085-0.464-0.141-0.694-0.082-0.34-0.184-0.673-0.304-0.999-0.128-0.347-0.276-0.687-0.445-1.018-0.147-0.288-0.309-0.567-0.484-0.837-0.209-0.322-0.439-0.631-0.689-0.927-0.242-0.287-0.501-0.558-0.774-0.813l-0.071-0.065q-0.132-0.121-0.27-0.237-0.137 0.116-0.27 0.237l-0.071 0.065c-0.273 0.254-0.531 0.525-0.774 0.813-0.25 0.296-0.479 0.605-0.689 0.927-0.176 0.27-0.337 0.549-0.484 0.837-0.169 0.332-0.318 0.671-0.445 1.018-0.12 0.326-0.221 0.659-0.304 0.999-0.056 0.23-0.103 0.461-0.141 0.694-0.044 0.27-0.077 0.543-0.097 0.817h6.548zM16.677 11.3h2.589c-0.284-2.991-2.374-5.456-5.167-6.293l0.084 0.099c0.284 0.337 0.546 0.689 0.785 1.055 0.205 0.314 0.393 0.639 0.564 0.975 0.195 0.381 0.365 0.77 0.511 1.168 0.139 0.377 0.256 0.762 0.351 1.155 0.069 0.284 0.126 0.57 0.172 0.857 0.051 0.326 0.088 0.654 0.109 0.984zM16.677 12.7c-0.021 0.33-0.058 0.658-0.109 0.984-0.045 0.288-0.103 0.573-0.172 0.857-0.096 0.393-0.213 0.778-0.351 1.155-0.147 0.398-0.317 0.788-0.511 1.168-0.171 0.336-0.36 0.661-0.564 0.975-0.239 0.366-0.501 0.718-0.785 1.055l-0.084 0.099c2.793-0.838 4.882-3.302 5.167-6.293h-2.589z"></path>
+</svg>
\ No newline at end of file
diff --git a/static/img/common/icon-locale-light.svg b/static/img/common/icon-locale-light.svg
new file mode 100644
index 0000000000000000000000000000000000000000..77ff3099316a0e2d0d35e85c993ff1fc34211832
--- /dev/null
+++ b/static/img/common/icon-locale-light.svg
@@ -0,0 +1,3 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24">
+<path opacity="0.8" fill="#000" d="M12.066 3.3c4.775 0.035 8.634 3.917 8.634 8.7s-3.859 8.664-8.633 8.699c-0.024 0.003-0.049 0.004-0.073 0.004-0.019 0-0.038-0.001-0.057-0.003l-0.005-0c-4.774-0.036-8.633-3.918-8.633-8.7s3.859-8.664 8.634-8.7h0.005c0.022-0.002 0.045-0.003 0.067-0.003 0.020 0 0.040 0.001 0.060 0.003zM4.733 11.3h2.589c0.021-0.33 0.058-0.658 0.109-0.984 0.045-0.288 0.103-0.573 0.172-0.857 0.096-0.393 0.213-0.778 0.352-1.155 0.146-0.398 0.317-0.787 0.511-1.168 0.171-0.336 0.36-0.661 0.564-0.975 0.239-0.366 0.501-0.718 0.785-1.055 0.028-0.033 0.056-0.066 0.084-0.099-2.793 0.837-4.882 3.302-5.167 6.293zM4.733 12.7c0.284 2.991 2.374 5.456 5.167 6.293l-0.084-0.099c-0.284-0.337-0.546-0.689-0.785-1.055-0.205-0.314-0.393-0.639-0.564-0.975-0.195-0.38-0.365-0.77-0.511-1.168-0.139-0.377-0.256-0.762-0.352-1.155-0.069-0.284-0.126-0.57-0.172-0.857-0.052-0.326-0.088-0.654-0.109-0.984h-2.589zM8.726 12.7c0.020 0.274 0.053 0.547 0.097 0.817 0.038 0.232 0.085 0.464 0.141 0.693 0.171 0.702 0.42 1.374 0.749 2.017 0.147 0.288 0.309 0.567 0.484 0.837 0.21 0.322 0.439 0.631 0.689 0.927 0.242 0.287 0.5 0.558 0.774 0.812l0.071 0.065q0.132 0.121 0.27 0.237 0.137-0.116 0.27-0.237l0.071-0.065c0.273-0.254 0.531-0.525 0.774-0.812 0.25-0.296 0.479-0.605 0.689-0.927 0.175-0.27 0.337-0.549 0.484-0.837 0.329-0.643 0.578-1.316 0.749-2.017 0.056-0.23 0.103-0.461 0.141-0.693 0.044-0.27 0.077-0.543 0.097-0.817h-6.548zM15.274 11.3c-0.020-0.274-0.053-0.547-0.097-0.817-0.038-0.233-0.085-0.464-0.141-0.694-0.082-0.34-0.184-0.673-0.304-0.999-0.128-0.347-0.276-0.687-0.445-1.018-0.147-0.288-0.309-0.567-0.484-0.837-0.209-0.322-0.439-0.631-0.689-0.927-0.242-0.287-0.501-0.558-0.774-0.813l-0.071-0.065q-0.132-0.121-0.27-0.237-0.137 0.116-0.27 0.237l-0.071 0.065c-0.273 0.254-0.531 0.525-0.774 0.813-0.25 0.296-0.479 0.605-0.689 0.927-0.176 0.27-0.337 0.549-0.484 0.837-0.169 0.332-0.318 0.671-0.445 1.018-0.12 0.326-0.221 0.659-0.304 0.999-0.056 0.23-0.103 0.461-0.141 0.694-0.044 0.27-0.077 0.543-0.097 0.817h6.548zM16.677 11.3h2.589c-0.284-2.991-2.374-5.456-5.167-6.293l0.084 0.099c0.284 0.337 0.546 0.689 0.785 1.055 0.205 0.314 0.393 0.639 0.564 0.975 0.195 0.381 0.365 0.77 0.511 1.168 0.139 0.377 0.256 0.762 0.351 1.155 0.069 0.284 0.126 0.57 0.172 0.857 0.051 0.326 0.088 0.654 0.109 0.984zM16.677 12.7c-0.021 0.33-0.058 0.658-0.109 0.984-0.045 0.288-0.103 0.573-0.172 0.857-0.096 0.393-0.213 0.778-0.351 1.155-0.147 0.398-0.317 0.788-0.511 1.168-0.171 0.336-0.36 0.661-0.564 0.975-0.239 0.366-0.501 0.718-0.785 1.055l-0.084 0.099c2.793-0.838 4.882-3.302 5.167-6.293h-2.589z"></path>
+</svg>
\ No newline at end of file
diff --git a/static/js/common.js b/static/js/common.js
index d2161208033a7c905ef67b61a711361544a2b2d7..f79a36858140bb20adb28a6481462cb62e7e908b 100644
--- a/static/js/common.js
+++ b/static/js/common.js
@@ -238,5 +238,7 @@ $(function ($) {
     $(".nav-box .docs-a .home-bread,.h5-docs-a .home-bread").click(() => {
       window.open(`/${lang}/`, "_self");
     });
+    // 设置语言图标
+    $(".locale-tag").text(window.location.href.indexOf('/zh/') > -1 ? "中" : "EN");
   });
 });