diff --git a/src/main/java/com/actiontech/dble/server/variables/VarsExtractorHandler.java b/src/main/java/com/actiontech/dble/server/variables/VarsExtractorHandler.java
index 020e7dffe9..8e172dad48 100644
--- a/src/main/java/com/actiontech/dble/server/variables/VarsExtractorHandler.java
+++ b/src/main/java/com/actiontech/dble/server/variables/VarsExtractorHandler.java
@@ -7,6 +7,7 @@
 
 import com.actiontech.dble.backend.datasource.PhysicalDbGroup;
 import com.actiontech.dble.backend.datasource.PhysicalDbInstance;
+import com.actiontech.dble.config.model.SystemConfig;
 import com.actiontech.dble.singleton.TraceManager;
 import com.actiontech.dble.sqlengine.OneRawSQLQueryResultHandler;
 import com.actiontech.dble.sqlengine.OneTimeConnJob;
@@ -79,6 +80,21 @@ private PhysicalDbInstance getPhysicalDbInstance() {
                 }
             }
         }
+
+        if (ds == null && SystemConfig.getInstance().isSkipTestConOnUpdate()) {
+            for (PhysicalDbGroup dbGroup : dbGroups.values()) {
+                for (PhysicalDbInstance dsTest : dbGroup.getDbInstances(true)) {
+                    //this DbInstance should use createConnectionSkipPool
+                    if (dsTest.isTestConnSuccess()) {
+                        ds = dsTest;
+                        break;
+                    }
+                }
+                if (ds != null) {
+                    break;
+                }
+            }
+        }
         return ds;
     }