Correct axios default value of Content-Type
diff --git a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/src/utils/api.js b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/src/utils/api.js
index d4906a5..1b0d4e3 100644
--- a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/src/utils/api.js
+++ b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/src/utils/api.js
@@ -19,7 +19,7 @@
 import { Message } from 'element-ui'
 import C from './conf'
 
-axios.defaults.headers.post['Content-Type'] = 'application/jsoncharset=UTF-8'
+axios.defaults.headers.post['Content-Type'] = 'application/json; charset=UTF-8'
 axios.defaults.withCredentials = true
 
 function ajax(url, type, options, config) {