diff --git a/blog-article/pom.xml b/blog-article/pom.xml
index 9efdded..d649016 100644
--- a/blog-article/pom.xml
+++ b/blog-article/pom.xml
@@ -11,11 +11,6 @@
 
     <artifactId>blog-article</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-categorytag/pom.xml b/blog-categorytag/pom.xml
index 0cea345..bab46dc 100644
--- a/blog-categorytag/pom.xml
+++ b/blog-categorytag/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-categorytag</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-comment/pom.xml b/blog-comment/pom.xml
index 3c54d57..1d89201 100644
--- a/blog-comment/pom.xml
+++ b/blog-comment/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-comment</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-deploy/pom.xml b/blog-deploy/pom.xml
index 681092c..7d4f2c1 100644
--- a/blog-deploy/pom.xml
+++ b/blog-deploy/pom.xml
@@ -13,11 +13,6 @@
 
     <packaging>jar</packaging>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
-
     <dependencies>
 
         <dependency>
diff --git a/blog-extension/pom.xml b/blog-extension/pom.xml
index d9e4d9d..1638bcf 100644
--- a/blog-extension/pom.xml
+++ b/blog-extension/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-extension</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-partnersite/pom.xml b/blog-partnersite/pom.xml
index 02bc40d..2b4f755 100644
--- a/blog-partnersite/pom.xml
+++ b/blog-partnersite/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-partnersite</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-siteinfo/pom.xml b/blog-siteinfo/pom.xml
index 0770e81..27c8b6d 100644
--- a/blog-siteinfo/pom.xml
+++ b/blog-siteinfo/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-siteinfo</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-user/pom.xml b/blog-user/pom.xml
index 8dff103..30e2e52 100644
--- a/blog-user/pom.xml
+++ b/blog-user/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-user</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/blog-visitor/pom.xml b/blog-visitor/pom.xml
index 06e35a2..030a44e 100644
--- a/blog-visitor/pom.xml
+++ b/blog-visitor/pom.xml
@@ -11,10 +11,6 @@
 
     <artifactId>blog-visitor</artifactId>
 
-    <properties>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
-    </properties>
     <dependencies>
         <dependency>
             <groupId>cn.celess</groupId>
diff --git a/pom.xml b/pom.xml
index 22c4b4a..13d9e47 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,6 +29,8 @@
 
     <properties>
         <java.version>1.8</java.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
         <blog-common.version>0.0.1-SNAPSHOT</blog-common.version>
         <blog-article.version>0.0.1-SNAPSHOT</blog-article.version>
         <blog-categorytag.version>0.0.1-SNAPSHOT</blog-categorytag.version>