fix json example error for Timestamp filed

RELEASE.md

@@ -120,5 +120,11 @@
 	2. fix #I14MV7 不设置dataDictionaries出现空指针错误
 	3. 增加请求参数枚举字段解析(试用功能)
 
+#### 版本号：1.7.7
+- 更新日期：待定
+- 更新内容：
+	1. 修改timestamp类型字段创建json示例错误bug
+	
+	
 	
 	

src/main/java/com/power/doc/builder/SourceBuilder.java

@@ -820,7 +820,7 @@ public class SourceBuilder {
                 String subTypeName = field.getType().getFullyQualifiedName();
                 String fieldGicName = field.getType().getGenericCanonicalName();
                 data0.append("\"").append(fieldName).append("\":");
-                if (DocClassUtil.isPrimitive(typeSimpleName)) {
+                if (DocClassUtil.isPrimitive(subTypeName)) {
                     CustomRespField customResponseField = responseFieldMap.get(fieldName);
                     if (null != customResponseField) {
                         Object val = customResponseField.getValue();

src/main/java/com/power/doc/utils/DocClassUtil.java

@@ -242,6 +242,8 @@ public class DocClassUtil {
                 return "string";
             case "localdate":
                 return "string";
+            case "timestamp":
+                return "string";
             case "multipartfile":
                 return "file";
             default: