diff --git a/demo/examples/ONEstore/conf.json b/demo/examples/ONEstore/conf.json
index de85acf..c09b614 100644
--- a/demo/examples/ONEstore/conf.json
+++ b/demo/examples/ONEstore/conf.json
@@ -1,18 +1,14 @@
 {
-  "persons": [
-    {
-      "id": "ONEstore",
-      "name": "0 0 0 매니저",
-      "team": "스토어 기획팀",
-      "title": "Dev Relations",
-      "welcome": "안녕하세요.",
-      "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
-      "contactMain": "<a href='tel:+821012345678'><span>+82-10-1234-5678</span></a> | ",
-      "contactMail": "devhelper@onestore.co.kr",
-      "contactSecondary": "성남시 분당구 판교역로 188 SK플래닛 건물 11층",
-      "logoUrl": "assets/type01.png",
-      "logoAlt": "Onestore logo",
-      "website": "http://onesto.re/"
-    }
-  ]
+  "id": "ONEstore",
+  "name": "0 0 0 매니저",
+  "team": "스토어 기획팀",
+  "title": "Dev Relations",
+  "welcome": "안녕하세요.",
+  "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
+  "contactMain": "<a href='tel:+821012345678'><span>+82-10-1234-5678</span></a> | ",
+  "contactMail": "devhelper@onestore.co.kr",
+  "contactSecondary": "성남시 분당구 판교역로 188 SK플래닛 건물 11층",
+  "logoUrl": "assets/type01.png",
+  "logoAlt": "Onestore logo",
+  "website": "http://onesto.re/"
 }
diff --git a/demo/examples/ONEstoreBlack/conf.json b/demo/examples/ONEstoreBlack/conf.json
index 1af210b..d2ef1c2 100644
--- a/demo/examples/ONEstoreBlack/conf.json
+++ b/demo/examples/ONEstoreBlack/conf.json
@@ -1,19 +1,15 @@
 {
-  "persons": [
-    {
-      "id": "ONEstoreBlack",
-      "signature": "Best regards,",
-      "name": "Joo Hyung Park",
-      "team": "Service Planning Team",
-      "title": "Dev Relations",
-      "welcome": "안녕하세요.",
-      "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
-      "contactMain": "Call <a href='tel:+821012345678'><span>+82-10-1234-5678</span></a> or email us at",
-      "contactMail": "devhelper@onestore.co.kr",
-      "contactSecondary": "188, Pangyoyeok-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea",
-      "logoUrl": "assets/type03.png",
-      "logoAlt": "ONEstore. logo",
-      "website": "http://onesto.re/"
-    }
-  ]
+  "id": "ONEstoreBlack",
+  "signature": "Best regards,",
+  "name": "Joo Hyung Park",
+  "team": "Service Planning Team",
+  "title": "Dev Relations",
+  "welcome": "안녕하세요.",
+  "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
+  "contactMain": "Call <a href='tel:+821012345678'><span>+82-10-1234-5678</span></a> or email us at",
+  "contactMail": "devhelper@onestore.co.kr",
+  "contactSecondary": "188, Pangyoyeok-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea",
+  "logoUrl": "assets/type03.png",
+  "logoAlt": "ONEstore. logo",
+  "website": "http://onesto.re/"
 }
diff --git a/demo/examples/fadeit/conf.json b/demo/examples/fadeit/conf.json
index 829694e..518d655 100644
--- a/demo/examples/fadeit/conf.json
+++ b/demo/examples/fadeit/conf.json
@@ -1,17 +1,13 @@
 {
-  "persons": [
-    {
-      "id": "fadeit",
-      "signature": "Yours truly,",
-      "name": "Jane Whatsmyname",
-      "welcome": "Hi there,",
-      "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
-      "contactMain": "Call <a href='tel:81100200'><span>81100200</span></a> or email us at",
-      "contactMail": "info@fadeit.dk",
-      "contactSecondary": "Anelystparken 31, DK-8381 Tilst, Aarhus",
-      "logoUrl": "http://fadeit.dk/src/assets/img/brand/fadeit-logo.png",
-      "logoAlt": "fadeit logo",
-      "website": "http://fadeit.dk"
-    }
-  ]
+  "id": "fadeit",
+  "signature": "Yours truly,",
+  "name": "Jane Whatsmyname",
+  "welcome": "Hi there,",
+  "introParagraph": "Thanks for writing up this email.<br/> We are delighted to reply with a responsive template.",
+  "contactMain": "Call <a href='tel:81100200'><span>81100200</span></a> or email us at",
+  "contactMail": "info@fadeit.dk",
+  "contactSecondary": "Anelystparken 31, DK-8381 Tilst, Aarhus",
+  "logoUrl": "http://fadeit.dk/src/assets/img/brand/fadeit-logo.png",
+  "logoAlt": "fadeit logo",
+  "website": "http://fadeit.dk"
 }
\ No newline at end of file
diff --git a/demo/examples/play/conf.json b/demo/examples/play/conf.json
index 064d28a..cb14709 100644
--- a/demo/examples/play/conf.json
+++ b/demo/examples/play/conf.json
@@ -1,15 +1,11 @@
 {
-  "persons": [
-    {
-      "id": "play",
-      "signature": "Best regards,",
-      "name": "Jane Whatsmyname",
-      "contactMain": "Call <a href='tel:004581100200'><span>(45) 81100200</span></a> or email us at",
-      "contactMail": "info@tryplay.dk",
-      "slogan": "LED Pylon. LED Wall. Digital Signage.",
-      "logoUrl": "https://informationscreen.com/manage/assets/images/play-logo.png",
-      "logoAlt": "Play. logo",
-      "website": "http://tryplay.dk"
-    }
-  ]
+  "id": "play",
+  "signature": "Best regards,",
+  "name": "Jane Whatsmyname",
+  "contactMain": "Call <a href='tel:004581100200'><span>(45) 81100200</span></a> or email us at",
+  "contactMail": "info@tryplay.dk",
+  "slogan": "LED Pylon. LED Wall. Digital Signage.",
+  "logoUrl": "https://informationscreen.com/manage/assets/images/play-logo.png",
+  "logoAlt": "Play. logo",
+  "website": "http://tryplay.dk"
 }