diff --git a/docs/install/iam_policy_cn.json b/docs/install/iam_policy_cn.json
index a0d5edd5c..cb8bc040e 100644
--- a/docs/install/iam_policy_cn.json
+++ b/docs/install/iam_policy_cn.json
@@ -38,7 +38,8 @@
                 "elasticloadbalancing:DescribeTargetGroups",
                 "elasticloadbalancing:DescribeTargetGroupAttributes",
                 "elasticloadbalancing:DescribeTargetHealth",
-                "elasticloadbalancing:DescribeTags"
+                "elasticloadbalancing:DescribeTags",
+                "elasticloadbalancing:DescribeTrustStores"
             ],
             "Resource": "*"
         },