diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/base/BaseZookeeperYmlFlowParser.java b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/base/BaseZookeeperYmlFlowParser.java
index c9d482a0c..8ff7d7e9c 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/base/BaseZookeeperYmlFlowParser.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/base/BaseZookeeperYmlFlowParser.java
@@ -45,7 +45,7 @@ public abstract class BaseZookeeperYmlFlowParser extends BaseYmlFlowParser{
 
 		JsonNode ruleObject = convertToJson(content);
 
-		parse(ruleObject.asText());
+		parse(ruleObject.toString());
 
 		zkParserHelper.listenZkNode(client);
 	}
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
index f07964f4d..146904e1d 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/parser/helper/ParserHelper.java
@@ -20,11 +20,13 @@ import com.yomahub.liteflow.enums.ConditionTypeEnum;
 import com.yomahub.liteflow.enums.NodeTypeEnum;
 import com.yomahub.liteflow.exception.*;
 import com.yomahub.liteflow.flow.FlowBus;
+import com.yomahub.liteflow.util.JsonUtil;
 import org.dom4j.Document;
 import org.dom4j.Element;
 
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.function.Consumer;
 import java.util.regex.Pattern;
@@ -250,8 +252,8 @@ public class ParserHelper {
 					JsonNode nodeObject = nodeIterator.next();
 					id = nodeObject.get(ID).textValue();
 					name = nodeObject.hasNonNull(NAME) ? nodeObject.get(NAME).textValue() : "";
-					clazz = nodeObject.hasNonNull(_CLASS) ? nodeObject.get(NAME).textValue() : "";;
-					type = nodeObject.hasNonNull(TYPE) ? nodeObject.get(TYPE).textValue() : "";
+					clazz = nodeObject.hasNonNull(_CLASS) ? nodeObject.get(_CLASS).textValue() : "";;
+					type = nodeObject.hasNonNull(TYPE) ? nodeObject.get(TYPE).textValue() : null;
 					script = nodeObject.hasNonNull(VALUE) ? nodeObject.get(VALUE).textValue() : "";
 					file = nodeObject.hasNonNull(FILE) ? nodeObject.get(FILE).textValue() : "";
 
@@ -299,10 +301,10 @@ public class ParserHelper {
 			JsonNode condNode = iterator.next();
 			conditionType = ConditionTypeEnum.getEnumByCode(condNode.get(TYPE).textValue());
 			condValueStr = condNode.get(VALUE).textValue();
-			errorResume = condNode.get(ERROR_RESUME).textValue();
-			group = condNode.get(GROUP).textValue();
-			any = condNode.get(ANY).textValue();
-			threadExecutorClass = condNode.get(THREAD_EXECUTOR_CLASS).textValue();
+			errorResume = condNode.hasNonNull(ERROR_RESUME) ? condNode.get(ERROR_RESUME).textValue() : "";
+			group = condNode.hasNonNull(GROUP) ? condNode.get(GROUP).textValue() : "";
+			any = condNode.hasNonNull(ANY) ? condNode.get(ANY).textValue() : "";
+			threadExecutorClass =  condNode.hasNonNull(THREAD_EXECUTOR_CLASS) ? condNode.get(THREAD_EXECUTOR_CLASS).textValue() : "";
 
 			ChainPropBean chainPropBean = new ChainPropBean()
 					.setCondValueStr(condValueStr)
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/util/JsonUtil.java b/liteflow-core/src/main/java/com/yomahub/liteflow/util/JsonUtil.java
index 7dfa96a62..2642bc9de 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/util/JsonUtil.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/util/JsonUtil.java
@@ -36,8 +36,8 @@ public class JsonUtil {
         try {
             return objectMapper.writeValueAsString(object);
         } catch (JsonProcessingException e) {
-            String errMsg = StrUtil.format("Error while writing value as string[{}]",object.getClass().getName());
-            LOG.error(errMsg);
+            String errMsg = StrUtil.format("Error while writing value as string[{}],reason: {}", object.getClass().getName(), e.getMessage());
+            LOG.error(e.getMessage(), e);
             throw new JsonProcessException(errMsg);
         }
     }
@@ -49,8 +49,8 @@ public class JsonUtil {
         try {
             return objectMapper.readTree(text);
         } catch (IOException e) {
-            String errMsg = StrUtil.format("Error while parsing text [{}]",text);
-            LOG.error(errMsg);
+            String errMsg = StrUtil.format("Error while parsing text [{}],reason: {}", text, e.getMessage());
+            LOG.error(e.getMessage(), e);
             throw new JsonProcessException(errMsg);
         }
     }
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springnative/src/test/resources/subflow/flow.el.json b/liteflow-testcase-el/liteflow-testcase-el-springnative/src/test/resources/subflow/flow.el.json
index 304268d8c..c88cfd595 100644
--- a/liteflow-testcase-el/liteflow-testcase-el-springnative/src/test/resources/subflow/flow.el.json
+++ b/liteflow-testcase-el/liteflow-testcase-el-springnative/src/test/resources/subflow/flow.el.json
@@ -3,19 +3,19 @@
     "chain": [
       {
         "name": "chain3",
-        "value": "THEN(e,d)",
+        "value": "THEN(e,d)"
       },
       {
         "name": "chain2",
-        "value": "THEN(b, a, chain3)",
+        "value": "THEN(b, a, chain3)"
       },
       {
         "name": "chain1",
-        "value": "THEN(a, b, c, chain2)",
+        "value": "THEN(a, b, c, chain2)"
       },
       {
         "name": "c",
-        "value": "THEN(d, e)",
+        "value": "THEN(d, e)"
       }
     ]
   }