diff --git a/docs/en/extending-doris/doris-on-es.md b/docs/en/extending-doris/doris-on-es.md
index 9be1bedb67..a653986c35 100644
--- a/docs/en/extending-doris/doris-on-es.md
+++ b/docs/en/extending-doris/doris-on-es.md
@@ -340,7 +340,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",
@@ -369,7 +369,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",
diff --git a/docs/zh-CN/extending-doris/doris-on-es.md b/docs/zh-CN/extending-doris/doris-on-es.md
index cc9895e3e1..7840b6be27 100644
--- a/docs/zh-CN/extending-doris/doris-on-es.md
+++ b/docs/zh-CN/extending-doris/doris-on-es.md
@@ -115,7 +115,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH // ENGINE必须是Elasticsearch
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 
 "user" = "root",
@@ -184,7 +184,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",
@@ -225,7 +225,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",
@@ -337,7 +337,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",
@@ -366,7 +366,7 @@ CREATE EXTERNAL TABLE `test` (
 ) ENGINE=ELASTICSEARCH
 PROPERTIES (
 "hosts" = "http://192.168.0.1:8200,http://192.168.0.2:8200",
-"index" = "test”,
+"index" = "test",
 "type" = "doc",
 "user" = "root",
 "password" = "root",