diff --git a/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbGroup.java b/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbGroup.java
index 1b7962c3b5..beeab20531 100644
--- a/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbGroup.java
+++ b/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbGroup.java
@@ -292,13 +292,13 @@ private void checkRule(LinkedHashMap<String, String> row) {
             String delayThresholdStr = row.get(COLUMN_DELAY_THRESHOLD);
             String heartbeatTimeoutStr = row.get(COLUMN_HEARTBEAT_TIMEOUT);
             String heartbeatRetryStr = row.get(COLUMN_HEARTBEAT_RETRY);
-            if (!StringUtil.isBlank(delayThresholdStr) && IntegerUtil.parseInt(delayThresholdStr) < -1) {
+            if (StringUtil.isBlank(delayThresholdStr) || IntegerUtil.parseInt(delayThresholdStr) < -1) {
                 throw new ConfigException("Column '" + COLUMN_DELAY_THRESHOLD + "' should be an integer greater than or equal to -1!");
             }
-            if (!StringUtil.isBlank(heartbeatTimeoutStr) && IntegerUtil.parseInt(heartbeatTimeoutStr) < 0) {
+            if (StringUtil.isBlank(heartbeatTimeoutStr) || IntegerUtil.parseInt(heartbeatTimeoutStr) < 0) {
                 throw new ConfigException("Column '" + COLUMN_HEARTBEAT_TIMEOUT + "' should be an integer greater than or equal to 0!");
             }
-            if (!StringUtil.isBlank(heartbeatRetryStr) && IntegerUtil.parseInt(heartbeatRetryStr) < 0) {
+            if (StringUtil.isBlank(heartbeatRetryStr) || IntegerUtil.parseInt(heartbeatRetryStr) < 0) {
                 throw new ConfigException("Column '" + COLUMN_HEARTBEAT_RETRY + "' should be an integer greater than or equal to 0!");
             }
             String heartbeatKeepAliveStr = row.get(COLUMN_KEEP_ALIVE);
diff --git a/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbInstance.java b/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbInstance.java
index 98e1eaeb9e..595680fe44 100644
--- a/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbInstance.java
+++ b/src/main/java/com/actiontech/dble/services/manager/information/tables/DbleDbInstance.java
@@ -402,6 +402,8 @@ private DBInstance transformRowToDBInstance(LinkedHashMap<String, String> map) {
         DBInstance dbInstance = new DBInstance();
         StringBuilder url = new StringBuilder();
         List<Property> propertyList = Lists.newArrayList();
+        String key;
+        String entryValue;
         for (Map.Entry<String, String> entry : map.entrySet()) {
             switch (entry.getKey()) {
                 case COLUMN_NAME:
@@ -469,6 +471,13 @@ private DBInstance transformRowToDBInstance(LinkedHashMap<String, String> map) {
                 case COLUMN_TEST_ON_BORROW:
                 case COLUMN_TEST_ON_RETURN:
                 case COLUMN_TEST_WHILE_IDLE:
+                    key = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, entry.getKey());
+                    entryValue = entry.getValue();
+                    if (StringUtil.isBlank(entryValue) || (!StringUtil.equalsIgnoreCase(entryValue, Boolean.FALSE.toString()) && !StringUtil.equalsIgnoreCase(entryValue, Boolean.TRUE.toString()))) {
+                        throw new ConfigException("Column '" + entry.getKey() + "' values only support 'false' or 'true'.");
+                    }
+                    propertyList.add(new Property(entryValue, key));
+                    break;
                 case COLUMN_CONNECTION_TIMEOUT:
                 case COLUMN_CONNECTION_HEARTBEAT_TIMEOUT:
                 case COLUMN_TIME_BETWEEN_EVICTION_RUNS_MILLIS:
@@ -477,8 +486,12 @@ private DBInstance transformRowToDBInstance(LinkedHashMap<String, String> map) {
                 case COLUMN_EVICTOR_SHUTDOWN_TIMEOUT_MILLIS:
                 case COLUMN_FLOW_HIGH_LEVEL:
                 case COLUMN_FLOW_LOW_LEVEL:
-                    String key = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, entry.getKey());
-                    propertyList.add(new Property(entry.getValue(), key));
+                    key = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, entry.getKey());
+                    entryValue = entry.getValue();
+                    if (StringUtil.isBlank(entryValue) || IntegerUtil.parseInt(entryValue) <= 0) {
+                        throw new ConfigException("Column '" + entry.getKey() + "' should be an integer greater than 0!");
+                    }
+                    propertyList.add(new Property(entryValue, key));
                     break;
                 default:
                     break;