ui: fix contest_submit

packages/hydrooj/src/handler/contest.ts

@@ -270,6 +270,11 @@ class ContestProblemHandler extends Handler {
             attended: this.attended,
             page_name: 'contest_detail_problem',
         };
+        try {
+            this.response.body.pdoc.config = await parseConfig(this.pdoc.config);
+        } catch (e) {
+            this.response.body.pdoc.config = `Cannot parse: ${e.message}`;
+        }
     }
 
     // eslint-disable-next-line
@@ -284,11 +289,6 @@ class ContestProblemHandler extends Handler {
         // e.g. ![img](a.jpg) will navigate to ![img](./pid/file/a.jpg)
         this.response.body.pdoc.content = this.response.body.pdoc.content
             .replace(/\(file:\/\//g, `(./${this.pdoc.docId}/file/`);
-        try {
-            this.response.body.pdoc.config = await parseConfig(this.pdoc.config);
-        } catch (e) {
-            this.response.body.pdoc.config = `Cannot parse: ${e.message}`;
-        }
     }
 }