diff --git "a/api/\350\256\241\347\256\227\344\270\216\347\275\221\347\273\234/CKafka/\350\260\203\347\224\250\346\226\271\345\274\217/\350\257\267\346\261\202\347\255\276\345\220\215.md" "b/api/\350\256\241\347\256\227\344\270\216\347\275\221\347\273\234/CKafka/\350\260\203\347\224\250\346\226\271\345\274\217/\350\257\267\346\261\202\347\255\276\345\220\215.md"
index 43ff172a19b8..1cd857824ab2 100644
--- "a/api/\350\256\241\347\256\227\344\270\216\347\275\221\347\273\234/CKafka/\350\260\203\347\224\250\346\226\271\345\274\217/\350\257\267\346\261\202\347\255\276\345\220\215.md"
+++ "b/api/\350\256\241\347\256\227\344\270\216\347\275\221\347\273\234/CKafka/\350\260\203\347\224\250\346\226\271\345\274\217/\350\257\267\346\261\202\347\255\276\345\220\215.md"
@@ -26,7 +26,7 @@
 ![](//mc.qcloudimg.com/static/img/3a3a616ba175bb95be68123d86715e77/image.png)
 
 假设用户的 SecretId 和 SecretKey 分别是：
-SecretId：`AKIDz8kr*****FkmLPx3gnPhESA`
+SecretId：`AKID*****************`
 SecretKey：`Gu5t9xGARNpq*****N3Cozk1qA`
 
 >!这里只是示例，请用户根据自己实际的 SecretId 和 SecretKey 和请求参数进行后续操作。
@@ -36,7 +36,7 @@ SecretKey：`Gu5t9xGARNpq*****N3Cozk1qA`
 | 参数名称 | 描述 | 参数值| 
 |---------|---------|---------|
 | Action | 方法名| ListInstances | 
-| SecretId | 密钥 ID | `AKIDz8kr*****FkmLPx3gnPhESA` | 
+| SecretId | 密钥 ID | `AKID*****************` | 
 | Timestamp | 当前时间戳 | 1465185768 | 
 | Nonce | 随机正整数 | 11886 | 
 | Region | 实例所在区域 | ap-guangzhou | 
@@ -50,7 +50,7 @@ SecretKey：`Gu5t9xGARNpq*****N3Cozk1qA`
 "Action" : "ListInstances",
 "Nonce" : "11886",
 "Region" : "ap-guangzhou",
-"SecretId" : "AKIDz8kr*****FkmLPx3gnPhESA",
+"SecretId" : "AKID*****************",
 "SignatureMethod" : "HmacSHA256",
 "Timestamp" : "1465185768"
 }
@@ -71,7 +71,7 @@ SecretKey：`Gu5t9xGARNpq*****N3Cozk1qA`
 Action=ListInstances
 &Nonce=11886
 &Region=ap-guangzhou
-&SecretId=AKIDz8kr*****FkmLPx3gnPhESA
+&SecretId=AKID*****************
 &SignatureMethod=HmacSHA256
 &Timestamp=1465185768
 ```
@@ -92,7 +92,7 @@ Action=ListInstances
 GETckafka.api.qcloud.com/v2/index.php?Action=ListInstances
 &Nonce=11886
 &Region=ap-guangzhou
-&SecretId=AKIDz8kr*****FkmLPx3gnPhESA
+&SecretId=AKID*****************
 &SignatureMethod=HmacSHA256
 &Timestamp=1465185768
 ```
@@ -107,7 +107,7 @@ GETckafka.api.qcloud.com/v2/index.php?Action=ListInstances
 
 ```php
 $secretKey = 'Gu5t9xGARNpq*****N3Cozk1qA';
-$srcStr = 'GETckafka.api.qcloud.com/v2/index.php?Action=ListInstances&Nonce=11886&Region=ap-guangzhou&SecretId=AKIDz8kr*****FkmLPx3gnPhESA&SignatureMethod=HmacSHA256&Timestamp=1465185768';
+$srcStr = 'GETckafka.api.qcloud.com/v2/index.php?Action=ListInstances&Nonce=11886&Region=ap-guangzhou&SecretId=AKID*****************&SignatureMethod=HmacSHA256&Timestamp=1465185768';
 $signStr = base64_encode(hash_hmac('sha256', $srcStr, $secretKey, true));
 echo $signStr;
 ```
@@ -120,7 +120,7 @@ echo $signStr;
 同理，当您指定签名算法为 **HmacSHA1** 时，生成签名串的代码如下：
 ```php
 $secretKey = 'Gu5t9x*****ozk1qA';
-$srcStr = 'GETcckafka.api.qcloud.com/v2/index.php?Action=ListInstances&Nonce=11886&Region=ap-guangzhou&SecretId=AKIDz8kr*****FkmLPx3gnPhESA&SignatureMethod=HmacSHA1&Timestamp=1465185768';
+$srcStr = 'GETcckafka.api.qcloud.com/v2/index.php?Action=ListInstances&Nonce=11886&Region=ap-guangzhou&SecretId=AKID*****************&SignatureMethod=HmacSHA1&Timestamp=1465185768';
 $signStr = base64_encode(hash_hmac('sha1', $srcStr, $secretKey, true));
 echo $signStr;
 ```