diff --git a/src/main/java/com/power/doc/builder/PostmanJsonBuilder.java b/src/main/java/com/power/doc/builder/PostmanJsonBuilder.java
index 0e3bd73..e6f97f3 100644
--- a/src/main/java/com/power/doc/builder/PostmanJsonBuilder.java
+++ b/src/main/java/com/power/doc/builder/PostmanJsonBuilder.java
@@ -100,7 +100,7 @@ public class PostmanJsonBuilder {
         requestBean.setHeader(buildHeaderBeanList(apiMethodDoc));
 
         requestBean.setBody(buildBodyBean(apiMethodDoc));
-        requestBean.setUrl(apiMethodDoc.getRequestExample().getUrl());
+        requestBean.setUrl(apiMethodDoc.getRequestExample().getUrl() == null ? apiMethodDoc.getUrl() : apiMethodDoc.getRequestExample().getUrl());
 
         item.setRequest(requestBean);
         return item;
diff --git a/src/main/java/com/power/doc/helper/JsonBuildHelper.java b/src/main/java/com/power/doc/helper/JsonBuildHelper.java
index 4dca440..a6de079 100644
--- a/src/main/java/com/power/doc/helper/JsonBuildHelper.java
+++ b/src/main/java/com/power/doc/helper/JsonBuildHelper.java
@@ -51,6 +51,7 @@ public class JsonBuildHelper {
      */
     public static String buildJson(String typeName, String genericCanonicalName,
                                    boolean isResp, int counter, Map<String, String> registryClasses, ProjectDocConfigBuilder builder) {
+        JavaClass javaClass = builder.getJavaProjectBuilder().getClassByName(typeName);
         if (registryClasses.containsKey(typeName) && counter > registryClasses.size()) {
             return "{\"$ref\":\"...\"}";
         }
@@ -65,6 +66,9 @@ public class JsonBuildHelper {
         if (JavaClassValidateUtil.isPrimitive(typeName)) {
             return StringUtil.removeQuotes(DocUtil.jsonValueByType(typeName));
         }
+        if(javaClass.isEnum()){
+            return String.valueOf(JavaClassUtil.getEnumValue(javaClass, Boolean.FALSE));
+        }
         StringBuilder data0 = new StringBuilder();
         JavaClass cls = builder.getClassByName(typeName);
         data0.append("{");
@@ -286,7 +290,7 @@ public class JsonBuildHelper {
                     } else if (typeName.equals(subTypeName)) {
                         data0.append("{\"$ref\":\"...\"}").append(",");
                     } else {
-                        JavaClass javaClass = builder.getJavaProjectBuilder().getClassByName(subTypeName);
+                         javaClass = builder.getJavaProjectBuilder().getClassByName(subTypeName);
                         if (!isResp && javaClass.isEnum()) {
                             Object value = JavaClassUtil.getEnumValue(javaClass, Boolean.FALSE);
                             data0.append(value).append(",");