优化：培训详情问题修复

src/pages/pilotTraining/ licensureExamination/addOrEditInstitution/index.tsx

@@ -122,7 +122,7 @@ const AddOrEditInstitution = () => {
         lat: institutionDetail.latitude,
         lon: institutionDetail.longitude,
         address: institutionDetail.detailedAddress,
-        adCode: institutionDetail.region.split(',')[1],
+        adCode: institutionDetail.region?.split(',')[1],
       });
       baseRef.current.getDefaultDataEvent().setIsEditAddress(true);
       baseRef.current.getDefaultDataEvent().setMainImgList([