diff --git a/en-US/nlb/AddServersToServerGroup.json b/en-US/nlb/AddServersToServerGroup.json
index 365d811c2..12a60983f 100644
--- a/en-US/nlb/AddServersToServerGroup.json
+++ b/en-US/nlb/AddServersToServerGroup.json
@@ -40,8 +40,46 @@
       "name": "Servers",
       "description": "A list of backend servers.",
       "position": "Body",
-      "type": "Array",
-      "required": true
+      "type": "RepeatList",
+      "required": true,
+      "sub_parameters": [
+        {
+          "name": "ServerId",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerType",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerIp",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        },
+        {
+          "name": "Port",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Weight",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Description",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        }
+      ]
     }
   ]
 }
\ No newline at end of file
diff --git a/metadatas/nlb/AddServersToServerGroup.json b/metadatas/nlb/AddServersToServerGroup.json
index 4c9d51e4f..5cff50f18 100644
--- a/metadatas/nlb/AddServersToServerGroup.json
+++ b/metadatas/nlb/AddServersToServerGroup.json
@@ -31,8 +31,46 @@
     {
       "name": "Servers",
       "position": "Body",
-      "type": "Array",
-      "required": true
+      "type": "RepeatList",
+      "required": true,
+      "sub_parameters": [
+        {
+          "name": "ServerId",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerType",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerIp",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        },
+        {
+          "name": "Port",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Weight",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Description",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        }
+      ]
     }
   ]
 }
\ No newline at end of file
diff --git a/zh-CN/nlb/AddServersToServerGroup.json b/zh-CN/nlb/AddServersToServerGroup.json
index e338d7870..a37813acd 100644
--- a/zh-CN/nlb/AddServersToServerGroup.json
+++ b/zh-CN/nlb/AddServersToServerGroup.json
@@ -40,8 +40,46 @@
       "name": "Servers",
       "description": "后端服务器组列表，单次调用最多支持传入40个服务器。",
       "position": "Body",
-      "type": "Array",
-      "required": true
+      "type": "RepeatList",
+      "required": true,
+      "sub_parameters": [
+        {
+          "name": "ServerId",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerType",
+          "position": "FormData",
+          "type": "String",
+          "required": true
+        },
+        {
+          "name": "ServerIp",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        },
+        {
+          "name": "Port",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Weight",
+          "position": "FormData",
+          "type": "Integer",
+          "required": false
+        },
+        {
+          "name": "Description",
+          "position": "FormData",
+          "type": "String",
+          "required": false
+        }
+      ]
     }
   ]
 }
\ No newline at end of file