diff --git a/lib/Wei.php b/lib/Wei.php
index f86c8e460..ec2e31527 100644
--- a/lib/Wei.php
+++ b/lib/Wei.php
@@ -585,6 +585,16 @@ public function setInis(array $inis)
             return $this;
         }
 
+        /**
+         * Return the service aliases
+         *
+         * @return array
+         */
+        public function getAliases(): array
+        {
+            return $this->aliases;
+        }
+
         /**
          * Merge service aliases
          *
diff --git a/tests/unit/WeiTest.php b/tests/unit/WeiTest.php
index d2467108d..2375ff4d0 100644
--- a/tests/unit/WeiTest.php
+++ b/tests/unit/WeiTest.php
@@ -538,7 +538,7 @@ public function testDebug()
     public function testSetAlias()
     {
         $this->wei->setAlias('weiName', 'className');
-        $aliases = $this->wei->getOption('aliases');
+        $aliases = $this->wei->getAliases();
 
         $this->assertArrayHasKey('weiName', $aliases);
         $this->assertEquals('className', $aliases['weiName']);