diff --git a/api/api_v1/endpoints/interview.py b/api/api_v1/endpoints/interview.py
index f96b6ca..6fce475 100644
--- a/api/api_v1/endpoints/interview.py
+++ b/api/api_v1/endpoints/interview.py
@@ -141,7 +141,11 @@ def chkData(data):
             education = res1['education']
             res1['education'] = education_dict[education]
         if 'teacher_txt' in res1:
-            teacher_txt = json.loads(res1['teacher_txt'])
+            teacher_txt = res1['teacher_txt']
+            if not teacher_txt:
+                teacher_txt = teacher_txt
+            else:
+                teacher_txt = json.loads(teacher_txt)
             res1['teacher_txt'] = teacher_txt
         res_data.append(res1)
     return res_data