diff --git a/docs/forms/contact_form.md b/docs/forms/contact_form.md
index 464863da..db2c119a 100644
--- a/docs/forms/contact_form.md
+++ b/docs/forms/contact_form.md
@@ -21,4 +21,4 @@ author: "Arman Riazi"
 ---
 
 
-<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScozyaDFFV-i1wBY41BD1-Jepva4H-KCrtPwWzFRnK1c1VY2Q/viewform?embedded=true" width="700" height="959" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
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+<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScozyaDFFV-i1wBY41BD1-Jepva4H-KCrtPwWzFRnK1c1VY2Q/viewform?embedded=true"  width="700" height="2831" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
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diff --git a/docs/forms/ddd.md b/docs/forms/ddd.md
index 6da35a65..b6a6e1a7 100644
--- a/docs/forms/ddd.md
+++ b/docs/forms/ddd.md
@@ -21,4 +21,4 @@ author: "Arman Riazi"
 ---
 
 
-<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScgiznUeiP-muwvU5nx6FHq0bQ1wVnDP228x6ZKn_XYN2YT3g/viewform?embedded=true" width="640" height="1865" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
\ No newline at end of file
+<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScgiznUeiP-muwvU5nx6FHq0bQ1wVnDP228x6ZKn_XYN2YT3g/viewform?embedded=true"  width="700" height="2831" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
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diff --git a/docs/forms/feedback_form.md b/docs/forms/feedback_form.md
index 5f816eb6..3236d3e4 100644
--- a/docs/forms/feedback_form.md
+++ b/docs/forms/feedback_form.md
@@ -19,4 +19,4 @@ layout: page
 author: "Arman Riazi"
 ---
 
-<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSePtZh6Upj2tconoH43yqadxL2W-wo0coms41yjysY_Amyqzw/viewform?embedded=true" width="700" height="714" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
\ No newline at end of file
+<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSePtZh6Upj2tconoH43yqadxL2W-wo0coms41yjysY_Amyqzw/viewform?embedded=true"  width="700" height="2831" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
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diff --git a/docs/forms/startup_form.md b/docs/forms/startup_form.md
index 3c9ceed4..48655b27 100644
--- a/docs/forms/startup_form.md
+++ b/docs/forms/startup_form.md
@@ -19,4 +19,4 @@ layout: page
 author: "Arman Riazi"
 ---
 
-<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScvQ9FTvHnU_ORDH9Xrr7fAsB_HBX8usGMjmjERO5Ocnsg3sw/viewform?embedded=true" width="700" height="5706" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
\ No newline at end of file
+<iframe src="https://docs.google.com/forms/d/e/1FAIpQLScvQ9FTvHnU_ORDH9Xrr7fAsB_HBX8usGMjmjERO5Ocnsg3sw/viewform?embedded=true"  width="700" height="2831" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>
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diff --git a/docs/services.md b/docs/services.md
index 8ad50f41..9d7f0466 100644
--- a/docs/services.md
+++ b/docs/services.md
@@ -20,7 +20,7 @@ show:
 
     === "Free deliver system design based on DDD (Zero-cost)"
 
-        * [PDF of domain-driven design](https://cutt.ly/armanriazi-service-ddd)
+        * [Domain-Driven Design](PDF)(https://drive.google.com/file/d/1ZFMDr7QjKBG62FKQH5B6kCTwuY3mQcSK/view?usp=sharing)
         * [Applicant form of DDD](forms/ddd.md)
 
     === "Monorepo a smart building system"