diff --git "a/content/zh/docs/Developerguide/\346\237\245\347\234\213\346\225\260\346\215\256\345\272\223\350\277\236\346\216\245\346\225\260.md" "b/content/zh/docs/Developerguide/\346\237\245\347\234\213\346\225\260\346\215\256\345\272\223\350\277\236\346\216\245\346\225\260.md"
index 7fc57be61239b1f0b988f93f40bc7b16efe33cba..ae9c682291b0bf5370fb0877d02303537cee7fdf 100644
--- "a/content/zh/docs/Developerguide/\346\237\245\347\234\213\346\225\260\346\215\256\345\272\223\350\277\236\346\216\245\346\225\260.md"
+++ "b/content/zh/docs/Developerguide/\346\237\245\347\234\213\346\225\260\346\215\256\345\272\223\350\277\236\346\216\245\346\225\260.md"
@@ -80,8 +80,7 @@
     	        LEFT JOIN pg_authid ad ON(sa.usesysid = ad.oid)
     	        WHERE sa.application_name <> 'JobScheduler';
     <span id="zh-cn_topic_0237121094_text644219223528"><a name="zh-cn_topic_0237121094_text644219223528"></a><a name="zh-cn_topic_0237121094_text644219223528"></a>postgres=# </span><strong id="zh-cn_topic_0237121094_zh-cn_topic_0059779140_ab300884670ad42e1ad494b667e32f973"><a name="zh-cn_topic_0237121094_zh-cn_topic_0059779140_ab300884670ad42e1ad494b667e32f973"></a><a name="zh-cn_topic_0237121094_zh-cn_topic_0059779140_ab300884670ad42e1ad494b667e32f973"></a>SELECT COUNT(*) FROM DV_SESSIONS WHERE USERNAME='</strong><span id="zh-cn_topic_0237121094_text9326192718507"><a name="zh-cn_topic_0237121094_text9326192718507"></a><a name="zh-cn_topic_0237121094_text9326192718507"></a>omm</span><strong id="zh-cn_topic_0237121094_zh-cn_topic_0059779140_a4b74e7a62ebe4040b9c5ffc46f50ec2b"><a name="zh-cn_topic_0237121094_zh-cn_topic_0059779140_a4b74e7a62ebe4040b9c5ffc46f50ec2b"></a><a name="zh-cn_topic_0237121094_zh-cn_topic_0059779140_a4b74e7a62ebe4040b9c5ffc46f50ec2b"></a>';</strong>
-    
-     count
+    count
     -------
          1
     (1 row)</pre>