fix

mybatis-multi-tenancy/src/main/java/com/iformall/plugin/shard/plugin/ShardingSpherePlugin.java

@@ -189,7 +189,7 @@ public class ShardingSpherePlugin implements MyBatisPlus {
     		}else if(((Map) parameterObject).containsKey(column)) {
                 o = ((Map) parameterObject).get(column);
     		}else if (((Map) parameterObject).containsKey(field)) {
-    			o = ((Map) parameterObject).get(column);
+    			o = ((Map) parameterObject).get(field);
     		}
            return getValue(column,o,parentChainMap);
         }else if (isBasicTypeValue(parameterObject)) {