diff --git a/site/en/menuStructure/en.json b/site/en/menuStructure/en.json
index 99229d820..f743cbf4d 100644
--- a/site/en/menuStructure/en.json
+++ b/site/en/menuStructure/en.json
@@ -201,7 +201,7 @@
     {
       "id": "API",
       "title": "API Reference",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 4
@@ -209,7 +209,7 @@
     {
       "id": "Python",
       "title": "Python",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 0,
@@ -218,7 +218,7 @@
     {
       "id": "Java",
       "title": "Java",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 1,
@@ -227,7 +227,7 @@
     {
       "id": "Go",
       "title": "Go",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 2,
@@ -236,7 +236,7 @@
     {
       "id": "RESTful",
       "title": "RESTful",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 3,
@@ -245,7 +245,7 @@
     {
       "id": "C++",
       "title": "C++",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 4,
diff --git a/site/zh-CN/menuStructure/cn.json b/site/zh-CN/menuStructure/cn.json
index 2d5ab6769..f20d32554 100644
--- a/site/zh-CN/menuStructure/cn.json
+++ b/site/zh-CN/menuStructure/cn.json
@@ -209,7 +209,7 @@
     {
       "id": "Python",
       "title": "Python",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 0,
@@ -218,7 +218,7 @@
     {
       "id": "Java",
       "title": "Java",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 1,
@@ -227,7 +227,7 @@
     {
       "id": "Go",
       "title": "Go",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 2,
@@ -236,7 +236,7 @@
     {
       "id": "RESTful",
       "title": "RESTful",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 3,
@@ -245,7 +245,7 @@
     {
       "id": "C++",
       "title": "C++",
-      "label1": "",
+      "label1": "API",
       "label2": "",
       "label3": "",
       "order": 4,