同步元数据的接口，get改成post

src/main/java/com/keymobile/metadata/metadataRelation/controller/MetaDataController.java

@@ -533,7 +533,7 @@ public class MetaDataController {
      * @return
      */
     @ApiOperation(tags = "", value = "同步元数据关系的接口")
-    @RequestMapping(path = "/syschroRelationFromMongo", method = RequestMethod.GET)
+    @RequestMapping(path = "/syschroRelationFromMongo", method = RequestMethod.POST)
     public String synchroRelationFromMongo(String catalogName) {
         logger.info("开始异步迁移元数据：从mongo到neo4j");
         String flag = "success";