diff --git a/api/build.gradle b/api/build.gradle
index 4e8a5c6cd0..7063a3c601 100644
--- a/api/build.gradle
+++ b/api/build.gradle
@@ -7,6 +7,10 @@ plugins {
 group = 'run.halo.app'
 description = 'API of halo project, connecting by other projects.'
 
+compileJava.options.encoding = "UTF-8"
+compileTestJava.options.encoding = "UTF-8"
+javadoc.options.encoding = "UTF-8"
+
 repositories {
     mavenCentral()
     maven { url 'https://repo.spring.io/milestone' }
diff --git a/application/build.gradle b/application/build.gradle
index 71baa80605..988b82a3cd 100644
--- a/application/build.gradle
+++ b/application/build.gradle
@@ -11,6 +11,8 @@ plugins {
 
 group = "run.halo.app"
 sourceCompatibility = JavaVersion.VERSION_17
+compileJava.options.encoding = "UTF-8"
+compileTestJava.options.encoding = "UTF-8"
 
 checkstyle {
     toolVersion = "9.3"