diff --git a/src/Command/GMigration.php b/src/Command/GMigration.php
index 48c07adf..58c8ae2b 100644
--- a/src/Command/GMigration.php
+++ b/src/Command/GMigration.php
@@ -30,7 +30,7 @@ protected function handle()
         $plugin = $this->plugin->getOneById($this->getPluginId());
         $path = $plugin->getBasePath() . '/src/Migration';
         $reflection = new \ReflectionClass($plugin);
-        $namespace = $reflection->getNamespaceName() . '\\Migration';
+        $namespace = $reflection->getNamespaceName() . '\Migration';
 
         Migration::setOutput($this->output)->create([
             'name' => $this->getArgument('name'),
diff --git a/src/Command/GRelation.php b/src/Command/GRelation.php
index d3f5ee63..dda3f2e7 100644
--- a/src/Command/GRelation.php
+++ b/src/Command/GRelation.php
@@ -53,7 +53,7 @@ protected function createTrait($name, $relation, $isPluralize = false)
 
         // Generate file
         $phpFile = new PhpFile();
-        $namespace = $phpFile->addNamespace('Miaoxing\\' . $pluginNamespace . '\\Model');
+        $namespace = $phpFile->addNamespace('Miaoxing\\' . $pluginNamespace . '\Model');
         $namespace->addUse($class);
 
         // Generate trait
diff --git a/src/Command/GSeeder.php b/src/Command/GSeeder.php
index e63a89ec..9f3a2b89 100644
--- a/src/Command/GSeeder.php
+++ b/src/Command/GSeeder.php
@@ -27,7 +27,7 @@ protected function handle()
         $plugin = $this->plugin->getOneById($this->getArgument('plugin'));
         $path = $plugin->getBasePath() . '/src/Seeder';
         $reflection = new \ReflectionClass($plugin);
-        $namespace = $reflection->getNamespaceName() . '\\Seeder';
+        $namespace = $reflection->getNamespaceName() . '\Seeder';
 
         Seeder::setOutput($this->output)->create([
             'name' => $this->getArgument('name'),
diff --git a/src/Service/Plugin.php b/src/Service/Plugin.php
index 39d5650a..c22f9480 100644
--- a/src/Service/Plugin.php
+++ b/src/Service/Plugin.php
@@ -625,7 +625,7 @@ protected function getEventsById($id)
      */
     protected function dash($name)
     {
-        return strtolower(preg_replace('~(?<=\\w)([A-Z])~', '-$1', $name));
+        return strtolower(preg_replace('~(?<=\w)([A-Z])~', '-$1', $name));
     }
 
     /**
diff --git a/src/Test/BaseControllerTestCase.php b/src/Test/BaseControllerTestCase.php
index a2cc1e24..36ea6e99 100644
--- a/src/Test/BaseControllerTestCase.php
+++ b/src/Test/BaseControllerTestCase.php
@@ -27,7 +27,7 @@ abstract class BaseControllerTestCase extends BaseTestCase
     public function getController()
     {
         if (!$this->controller) {
-            preg_match('/Controller\\\\(.+?)ControllerTest/', static::class, $matches);
+            preg_match('/Controller\\\(.+?)ControllerTest/', static::class, $matches);
             $values = [];
             foreach (explode('\\', $matches[1]) as $value) {
                 $values[] = lcfirst($value);