diff --git a/source/_posts/nf-java10.md b/source/_posts/nf-java10.md
index d88b364..770f9d1 100644
--- a/source/_posts/nf-java10.md
+++ b/source/_posts/nf-java10.md
@@ -12,7 +12,7 @@ tags:
 categories:
   - - JVM
     - Java
-keywords: ''
+keywords: 'Java,Java 10,新特性,局部,变量,推断,G1,不可变,集合'
 date: 2021-05-20 17:11:56
 ---
 
diff --git a/source/_posts/nf-java11.md b/source/_posts/nf-java11.md
index 8227e74..06384b1 100644
--- a/source/_posts/nf-java11.md
+++ b/source/_posts/nf-java11.md
@@ -11,7 +11,7 @@ tags:
 categories:
   - - JVM
     - Java
-keywords: ''
+keywords: 'Java,Java 11,LTS,新特性,字符串,文件,操作,HTTP,Client,嵌套'
 date: 2021-05-21 08:57:28
 ---
 
diff --git a/source/_posts/nf-java8.md b/source/_posts/nf-java8.md
index da0f6bf..e8b3370 100644
--- a/source/_posts/nf-java8.md
+++ b/source/_posts/nf-java8.md
@@ -11,7 +11,7 @@ tags:
 categories:
   - - JVM
     - Java
-keywords: ''
+keywords: 'Java,Java 8,新特性,Optional,Stream,Lambda,引用,函数,方法'
 date: 2021-05-20 15:06:57
 ---
 
diff --git a/source/_posts/nf-java9.md b/source/_posts/nf-java9.md
index b98ae65..bba645b 100644
--- a/source/_posts/nf-java9.md
+++ b/source/_posts/nf-java9.md
@@ -10,7 +10,7 @@ tags:
 categories:
   - - JVM
     - Java
-keywords: ''
+keywords: 'Java,Java 9,Optional,JPMS,模块,新特性'
 date: 2021-05-20 15:15:29
 ---