diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmTransformUtil.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmTransformUtil.java
index 28dc6daa2..2d15ceccd 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmTransformUtil.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmTransformUtil.java
@@ -120,8 +120,12 @@ public class BpmTransformUtil {
                             if (!ObjectUtils.isEmpty(parentNode.getProperty()) && !Boolean.TRUE.equals(parentNode.getProperty().getDefaultBranch())) {
                                 //解析条件表达式
                                 StringBuffer conditionExpression = new StringBuffer();
-                                conditionExpression.append("${ ");
-                                conditionExpression.append("var:eq('" + parentNode.getProperty().getConditionBranchKey() + "', " + parentNode.getProperty().getConditionBranchValue() + ")");
+                                conditionExpression.append("${ ")
+                                        .append("var:eq('")
+                                        .append(parentNode.getProperty().getConditionBranchKey())
+                                        .append("', ")
+                                        .append(parentNode.getProperty().getConditionBranchValue())
+                                        .append(")");
                                 conditionExpression.append(" }");
 
                                 flow.setConditionExpression(conditionExpression.toString());