fix bug

apps/exams/Tpl/default/Index/examsroom_w3g.html

@@ -698,7 +698,7 @@
 					function(res) {
 					function(res) {
 						if (typeof(res) != 'object') {
 						if (typeof(res) != 'object') {
 							try {
 							try {
-								let res = JSON.parse(res)
+								// let res = JSON.parse(res)
 							} catch (e) {
 							} catch (e) {
 								ui.error("处理异常,请重新尝试")
 								ui.error("处理异常,请重新尝试")
 							}
 							}
@@ -709,7 +709,7 @@
 						} else {
 						} else {
 							ui.error(res.message)
 							ui.error(res.message)
 						}
 						}
-				})
+				}, 'json')
 			},
 			},
 			submitPaper: function() {
 			submitPaper: function() {
 				let that = this
 				let that = this