diff --git a/docs/reference/lang/spec/kcl-spec.md b/docs/reference/lang/spec/kcl-spec.md
index 27c51e65..e2f217dc 100644
--- a/docs/reference/lang/spec/kcl-spec.md
+++ b/docs/reference/lang/spec/kcl-spec.md
@@ -97,7 +97,7 @@ assert_stmt: ASSERT simple_expr (IF simple_expr)? (COMMA test)?
 //////////// if_stmt ////////////
 if_stmt: IF test COLON execution_block (ELIF test COLON execution_block)* (ELSE COLON execution_block)?
 execution_block: if_simple_stmt | NEWLINE _INDENT schema_init_stmt+ _DEDENT
-if_simple_stmt: (simple_assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
+if_simple_stmt: (assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
 
 //////////// assign_stmt ////////////
 assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
@@ -105,11 +105,6 @@ assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
     | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
     | COMP_SHIFT_RIGHT) test
 
-simple_assign_stmt: identifier ASSIGN test
-    | identifier (COMP_PLUS | COMP_MINUS | COMP_MULTIPLY | COMP_DOUBLE_STAR | COMP_DIVIDE
-    | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
-    | COMP_SHIFT_RIGHT) test
-
 //////////// unification_stmt ////////////
 unification_stmt: identifier COLON schema_expr
 
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/lang/spec/kcl-spec.md b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/lang/spec/kcl-spec.md
index 27c51e65..e2f217dc 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/lang/spec/kcl-spec.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/current/reference/lang/spec/kcl-spec.md
@@ -97,7 +97,7 @@ assert_stmt: ASSERT simple_expr (IF simple_expr)? (COMMA test)?
 //////////// if_stmt ////////////
 if_stmt: IF test COLON execution_block (ELIF test COLON execution_block)* (ELSE COLON execution_block)?
 execution_block: if_simple_stmt | NEWLINE _INDENT schema_init_stmt+ _DEDENT
-if_simple_stmt: (simple_assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
+if_simple_stmt: (assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
 
 //////////// assign_stmt ////////////
 assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
@@ -105,11 +105,6 @@ assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
     | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
     | COMP_SHIFT_RIGHT) test
 
-simple_assign_stmt: identifier ASSIGN test
-    | identifier (COMP_PLUS | COMP_MINUS | COMP_MULTIPLY | COMP_DOUBLE_STAR | COMP_DIVIDE
-    | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
-    | COMP_SHIFT_RIGHT) test
-
 //////////// unification_stmt ////////////
 unification_stmt: identifier COLON schema_expr
 
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/reference/lang/spec/kcl-spec.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/reference/lang/spec/kcl-spec.md
index 27c51e65..e2f217dc 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/reference/lang/spec/kcl-spec.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/reference/lang/spec/kcl-spec.md
@@ -97,7 +97,7 @@ assert_stmt: ASSERT simple_expr (IF simple_expr)? (COMMA test)?
 //////////// if_stmt ////////////
 if_stmt: IF test COLON execution_block (ELIF test COLON execution_block)* (ELSE COLON execution_block)?
 execution_block: if_simple_stmt | NEWLINE _INDENT schema_init_stmt+ _DEDENT
-if_simple_stmt: (simple_assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
+if_simple_stmt: (assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
 
 //////////// assign_stmt ////////////
 assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
@@ -105,11 +105,6 @@ assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
     | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
     | COMP_SHIFT_RIGHT) test
 
-simple_assign_stmt: identifier ASSIGN test
-    | identifier (COMP_PLUS | COMP_MINUS | COMP_MULTIPLY | COMP_DOUBLE_STAR | COMP_DIVIDE
-    | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
-    | COMP_SHIFT_RIGHT) test
-
 //////////// unification_stmt ////////////
 unification_stmt: identifier COLON schema_expr
 
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/concepts/concepts.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/concepts/concepts.md
index e2034db2..423b94a4 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/concepts/concepts.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/concepts/concepts.md
@@ -1,3 +1,7 @@
 # 核心概念
 
 学习更多关于 KCL 核心概念。
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/getting-started/index.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/getting-started/index.md
index 5d58acf6..509f2cea 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/getting-started/index.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/getting-started/index.md
@@ -1 +1,5 @@
 # 快速开始
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/guides/index.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/guides/index.md
index c0613d42..d23f2a2b 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/guides/index.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/guides/index.md
@@ -1 +1,5 @@
 # 用户手册
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/support/support.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/support/support.md
index 648ee5a3..9aab8178 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/support/support.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-0.7.0/user_docs/support/support.md
@@ -1,3 +1,7 @@
 # 常见问答
 
 KCL 安装、使用过程中遇到的常见问题，包括基本概念解释、KCL 语法、KCL 语言设计、命令行工具和 YAML 等常见问题。
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/versioned_docs/version-0.7.0/reference/lang/spec/kcl-spec.md b/versioned_docs/version-0.7.0/reference/lang/spec/kcl-spec.md
index 27c51e65..e2f217dc 100644
--- a/versioned_docs/version-0.7.0/reference/lang/spec/kcl-spec.md
+++ b/versioned_docs/version-0.7.0/reference/lang/spec/kcl-spec.md
@@ -97,7 +97,7 @@ assert_stmt: ASSERT simple_expr (IF simple_expr)? (COMMA test)?
 //////////// if_stmt ////////////
 if_stmt: IF test COLON execution_block (ELIF test COLON execution_block)* (ELSE COLON execution_block)?
 execution_block: if_simple_stmt | NEWLINE _INDENT schema_init_stmt+ _DEDENT
-if_simple_stmt: (simple_assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
+if_simple_stmt: (assign_stmt | unification_stmt | expr_stmt | assert_stmt) NEWLINE
 
 //////////// assign_stmt ////////////
 assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
@@ -105,11 +105,6 @@ assign_stmt: identifier [COLON type] (ASSIGN identifier)* ASSIGN test
     | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
     | COMP_SHIFT_RIGHT) test
 
-simple_assign_stmt: identifier ASSIGN test
-    | identifier (COMP_PLUS | COMP_MINUS | COMP_MULTIPLY | COMP_DOUBLE_STAR | COMP_DIVIDE
-    | COMP_DOUBLE_DIVIDE | COMP_MOD | COMP_AND | COMP_OR | COMP_XOR | COMP_SHIFT_LEFT
-    | COMP_SHIFT_RIGHT) test
-
 //////////// unification_stmt ////////////
 unification_stmt: identifier COLON schema_expr
 
diff --git a/versioned_docs/version-0.7.0/user_docs/concepts/concepts.md b/versioned_docs/version-0.7.0/user_docs/concepts/concepts.md
index 627212ad..ffbd79c1 100644
--- a/versioned_docs/version-0.7.0/user_docs/concepts/concepts.md
+++ b/versioned_docs/version-0.7.0/user_docs/concepts/concepts.md
@@ -1,3 +1,7 @@
 # Concepts
 
 Learn more about KCL concepts.
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/versioned_docs/version-0.7.0/user_docs/getting-started/index.md b/versioned_docs/version-0.7.0/user_docs/getting-started/index.md
index c50dbaa6..88fc4162 100644
--- a/versioned_docs/version-0.7.0/user_docs/getting-started/index.md
+++ b/versioned_docs/version-0.7.0/user_docs/getting-started/index.md
@@ -1,3 +1,7 @@
 # Get Started
 
 Get started include a quick overview of the KCL programming language.
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/versioned_docs/version-0.7.0/user_docs/guides/index.md b/versioned_docs/version-0.7.0/user_docs/guides/index.md
index cd3d4522..dca104e4 100644
--- a/versioned_docs/version-0.7.0/user_docs/guides/index.md
+++ b/versioned_docs/version-0.7.0/user_docs/guides/index.md
@@ -1 +1,5 @@
 # User Guide
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />
diff --git a/versioned_docs/version-0.7.0/user_docs/support/support.md b/versioned_docs/version-0.7.0/user_docs/support/support.md
index fac13ef2..a73b0e4a 100644
--- a/versioned_docs/version-0.7.0/user_docs/support/support.md
+++ b/versioned_docs/version-0.7.0/user_docs/support/support.md
@@ -1,3 +1,7 @@
 # FAQ
 
 KCL frequently asked questions.
+
+import DocCardList from '@theme/DocCardList';
+
+<DocCardList />