diff --git a/pom.xml b/pom.xml
index 09982cda..18f4e423 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.1.42</version>
+			<version>1.2.55</version>
 		</dependency>
 		<dependency>
 			<groupId>com.alibaba</groupId>
diff --git a/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java b/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java
index a1c67a57..0b61b5fe 100644
--- a/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java
+++ b/src/main/java/com/jsh/erp/utils/ExtJsonUtils.java
@@ -138,58 +138,4 @@ public class ExtJsonUtils {
     public interface ExtExtractor {
         String getExt(Object bean);
     }
-
-    private static class MetaInfo {
-        private final static ParserConfig INSTANCE = ParserConfig.getGlobalInstance();
-
-        private final Object object;
-        private final Map<String, FieldDeserializer> map;
-        private final JSONObject ext = new JSONObject();
-
-        private MetaInfo(Object object) {
-            this.object = object;
-            this.map = INSTANCE.getFieldDeserializers(object.getClass());
-        }
-
-        void gather(String key, Object value) {
-            if (!map.containsKey(key)) {
-                ext.put(key, value);
-            }
-        }
-
-        public void update(ExtExtractor extractor) {
-            JSONObject old = JSON.parseObject(extractor.getExt(object));
-            if (old == null) {
-                old = new JSONObject();
-            }
-            old.putAll(ext);
-            map.get(EXT_NAME).setValue(object, old.toJSONString());
-        }
-
-        static boolean hasExt(Class<?> clazz) {
-            return INSTANCE.getFieldDeserializers(clazz).containsKey(EXT_NAME);
-        }
-    }
-
-    public static <T> T parseObject(String text, final Class<T> clazz, ExtExtractor extractor) {
-        final Map<Object, MetaInfo> map = new HashMap<>();
-
-        T object = JSON.parseObject(text, clazz, new ExtraProcessor() {
-            @Override
-            public void processExtra(Object object, String key, Object value) {
-                if (!map.containsKey(object) && MetaInfo.hasExt(object.getClass())) {
-                    map.put(object, new MetaInfo(object));
-                }
-                if (map.containsKey(object)) {
-                    map.get(object).gather(key, value);
-                }
-            }
-        });
-
-        for (Map.Entry<Object, MetaInfo> entry : map.entrySet()) {
-            entry.getValue().update(extractor);
-        }
-
-        return object;
-    }
 }