diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/ocr/service/impl/OcrIdentifyServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/ocr/service/impl/OcrIdentifyServiceImpl.java
index 183ac50..d2140bd 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/ocr/service/impl/OcrIdentifyServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/ocr/service/impl/OcrIdentifyServiceImpl.java
@@ -521,7 +521,9 @@ public class OcrIdentifyServiceImpl extends ServiceImpl<OcrIdentifyMapper, OcrId
      */
     public Map<String, CheckSemanticModel> getCheckSemanticModelMap(Map<String, String> configRuleMap, Map<String, String> fieldMap, List<JSONObject> sourceJsonObjects) {
         if (configRuleMap!=null && CollectionUtils.isNotEmpty(configRuleMap.keySet())) {
-            Set<String> keySet = configRuleMap.keySet();
+            //将 configRuleMap的 key 创建一个Set
+            Set<String> keySet = new HashSet<>(configRuleMap.keySet());
+            //循环keySet，判断字段是否是缩写，如果是缩写就把缩写的全称put一下
             for (String s : keySet) {
                 String value = configRuleMap.get(s);
                 if ("hn".equals(s)) {