diff --git a/yml/dnest.covear.top.yml b/yml/dnest.covear.top.yml
index 82537018..3b1ca1bc 100644
--- a/yml/dnest.covear.top.yml
+++ b/yml/dnest.covear.top.yml
@@ -69,8 +69,13 @@ index_generator:
   order_by: -date
 
 # Category & Tag
-default_category: uncategorized
+default_category: chat
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements
diff --git a/yml/dnest.eu.org.yml b/yml/dnest.eu.org.yml
index 9e896833..b7ab9720 100644
--- a/yml/dnest.eu.org.yml
+++ b/yml/dnest.eu.org.yml
@@ -69,8 +69,13 @@ index_generator:
   order_by: -date
 
 # Category & Tag
-default_category: uncategorized
+default_category: chat
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements
diff --git a/yml/hnest.covear.top.yml b/yml/hnest.covear.top.yml
index 1caf4379..888de0b9 100644
--- a/yml/hnest.covear.top.yml
+++ b/yml/hnest.covear.top.yml
@@ -71,6 +71,11 @@ index_generator:
 # Category & Tag
 default_category: uncategorized
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements
diff --git a/yml/hnest.eu.org.yml b/yml/hnest.eu.org.yml
index adc02577..95defe09 100644
--- a/yml/hnest.eu.org.yml
+++ b/yml/hnest.eu.org.yml
@@ -69,8 +69,13 @@ index_generator:
   order_by: -date
 
 # Category & Tag
-default_category: uncategorized
+default_category: chat
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements
diff --git a/yml/hnest.github.io.yml b/yml/hnest.github.io.yml
index fb1e685d..491c5136 100644
--- a/yml/hnest.github.io.yml
+++ b/yml/hnest.github.io.yml
@@ -71,6 +71,11 @@ index_generator:
 # Category & Tag
 default_category: uncategorized
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements
diff --git a/yml/my.covear.top.yml b/yml/my.covear.top.yml
index e0dea56e..21d6f38e 100644
--- a/yml/my.covear.top.yml
+++ b/yml/my.covear.top.yml
@@ -71,6 +71,11 @@ index_generator:
 # Category & Tag
 default_category: uncategorized
 category_map:
+  扯淡: chat
+  涨姿势: tutorial
+  虚拟机: vm
+  系统优化: os
+  办公软件: office
 tag_map:
 
 # Metadata elements