diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 7ca74cb..abe2291 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
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@@ -85,7 +85,7 @@
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@@ -102,7 +102,7 @@
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-                "file": "content/part 1 - Strategic Design/chapter 2/2.5 Language of the Business/2.5 Language of Business.md",
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@@ -125,7 +125,7 @@
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-                "file": "content/part 1 - Strategic Design/chapter 2/2.5 Language of the Business/2.5 Language of Business.md"
+                "file": "content/_index.md"
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@@ -148,8 +148,10 @@
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-    "content/part 1 - Strategic Design/chapter 2/2.4 What Is a Ubiquitous Language/What Is a Ubiquitous Language.md",
+    "content/part 1 - Strategic Design/chapter 2/2.6 Model of the Business Domain/2.6.1 What Is a Model/What Is a Model.md",
+    "content/part 1 - Strategic Design/chapter 2/2.6 Model of the Business Domain/_index.md",
     "content/part 1 - Strategic Design/chapter 2/2.5 Language of the Business/2.5 Language of Business.md",
+    "content/part 1 - Strategic Design/chapter 2/2.4 What Is a Ubiquitous Language/What Is a Ubiquitous Language.md",
     "content/part 1 - Strategic Design/chapter 2/2.3 Communication/Communication.md",
     "content/part 1 - Strategic Design/chapter 2/2.2 Knowledge Discovery/Knowledge Discovery.md",
     "content/part 1 - Strategic Design/chapter 2/2.1 Business Problem/Business Problems.md",
@@ -166,7 +168,6 @@
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     "content/part 1 - Strategic Design/_index.md",
     "content/part 1 - Strategic Design/chapter 3/Inconsistent Models",
-    "content/part 1 - Strategic Design/chapter 2/2.6 Model of the Business Domain/_index.md",
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     "content/part 1 - Strategic Design/chapter 1/1.3 What is a Subdomain/1.3.3 Supporting Subdomains",
     "content/part 1 - Strategic Design/chapter 1/1.3 What is a Subdomain/1.3.2 Generic Subdomains",
@@ -178,7 +179,6 @@
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     "content/part 1 - Strategic Design/chapter 2/2.8 Tools/Tools.md",
     "content/part 1 - Strategic Design/chapter 2/2.7 Continuous Effort/Continuous Effort.md",
-    "content/part 1 - Strategic Design/chapter 2/2.6 Model of the Business Domain/2.6.3  Modeling the Business Domain/Modeling the Business Domain.md",
     "1.1-fundamental-of-ddd",
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diff --git a/content/_index.md b/content/_index.md
index 2a3b9a9..d3eb96a 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -24,7 +24,11 @@ description: "کتاب آزاد Domain Driven Design\rاین کتاب برای 
 
 <p>
 <a href="https://github.com/mohammadKarimi"><img src="https://avatars.githubusercontent.com/u/5300102?v=4" alt="Mohammad Karimi" title="Mohammad Karimi" with="45" style="width:45px;max-width:45px;height:45px" height="45"></a>
+
+<a href="https://github.com/fatemeh-mirzaei"><img src="https://avatars.githubusercontent.com/u/71719790?s=96&v=4" alt="Fatemeh Mirzaei" title="Fatemeh Mirzaei" with="45" style="width:45px;max-width:45px;height:45px" height="45"></a>
+
 <a href="https://github.com/AliMohammadnezhad"><img src="https://avatars.githubusercontent.com/u/62431237?v=4" alt="Ali Mohammadnezhad" title="Ali Mohammadnezhad" with="45" style="width:45px;max-width:45px;height:45px" height="45"></a>
+
 <a href="https://github.com/liaghatmand"><img src="https://avatars.githubusercontent.com/u/88610558?v=4" alt="Zahra Liaghatmand" title="Zahra Liaghatmand" with="45" style="width:45px;max-width:45px;height:45px" height="45"></a>
 
 </p>
\ No newline at end of file