diff --git a/app/Http/Controllers/PluginController.php b/app/Http/Controllers/PluginController.php
index 6f0fc2a4..e2bcd9df 100644
--- a/app/Http/Controllers/PluginController.php
+++ b/app/Http/Controllers/PluginController.php
@@ -34,7 +34,7 @@ class PluginController extends Controller
                     if ($result === true) {
                         return json(trans('admin.plugins.operations.enabled', ['plugin' => $plugin->title]), 0);
                     } else {
-                        $reason = $result['unsatisfied']->map(function ($detail, $name) {
+                        $unsatisfied = $result['unsatisfied']->map(function ($detail, $name) {
                             $constraint = $detail['constraint'];
                             if (! $detail['version']) {
                                 return trans('admin.plugins.operations.unsatisfied.disabled', compact('name'));
@@ -43,6 +43,12 @@ class PluginController extends Controller
                             }
                         })->values()->all();
 
+                        $conflicts = $result['conflicts']->map(function ($detail, $name) {
+                            return trans('admin.plugins.operations.unsatisfied.conflict', compact('name'));
+                        })->values()->all();
+
+                        $reason = array_merge($unsatisfied, $conflicts);
+
                         return json(trans('admin.plugins.operations.unsatisfied.notice'), 1, compact('reason'));
                     }
 
diff --git a/app/Services/PluginManager.php b/app/Services/PluginManager.php
index 916cabe5..f8aef4be 100644
--- a/app/Services/PluginManager.php
+++ b/app/Services/PluginManager.php
@@ -269,8 +269,9 @@ class PluginManager
         $plugin = is_string($plugin) ? $this->get($plugin) : $plugin;
         if ($plugin && ! $plugin->isEnabled()) {
             $unsatisfied = $this->getUnsatisfied($plugin);
-            if ($unsatisfied->isNotEmpty()) {
-                return compact('unsatisfied');
+            $conflicts = $this->getConflicts($plugin);
+            if ($unsatisfied->isNotEmpty() || $conflicts->isNotEmpty()) {
+                return compact('unsatisfied', 'conflicts');
             }
 
             $this->enabled->put($plugin->name, ['version' => $plugin->version]);
@@ -335,7 +336,6 @@ class PluginManager
     }
 
     /**
-     * @param Plugin $plugin
      * @return Collection
      */
     public function getUnsatisfied(Plugin $plugin)
@@ -366,6 +366,22 @@ class PluginManager
             });
     }
 
+    /**
+     * @return Collection
+     */
+    public function getConflicts(Plugin $plugin)
+    {
+        return collect($plugin->getManifestAttr('enchants.conflicts', []))
+            ->mapWithKeys(function ($constraint, $name) {
+                $info = $this->enabled->get($name);
+                if ($info && Semver::satisfies($info['version'], $constraint)) {
+                    return [$name => ['version' => $info['version'], 'constraint' => $constraint]];
+                } else {
+                    return [];
+                }
+            });
+    }
+
     /**
      * The plugins path.
      *
diff --git a/resources/lang/en/admin.yml b/resources/lang/en/admin.yml
index 3142b9ee..715e7540 100644
--- a/resources/lang/en/admin.yml
+++ b/resources/lang/en/admin.yml
@@ -95,9 +95,10 @@ plugins:
     title: Operations
     enabled: :plugin has been enabled.
     unsatisfied:
-      notice: There are unsatisfied dependencies in the plugin, therefore we can't enable it. Please install or update the plugins listed below.
-      disabled: "The `:name` plugin is not enabled"
-      version: "The version of `:name` does not satisfies the constraint `:constraint`"
+      notice: There are conflicts or unsatisfied dependencies in the plugin, therefore we can't enable it. Please install or update the plugins listed below, and disable those have conflicts.
+      disabled: 'The :name plugin is not enabled.'
+      version: 'The version of :name does not satisfies the constraint `:constraint`.'
+      conflict: 'The :name plugin cannot run with this plugin at the same time.'
     disabled: :plugin has been disabled.
     deleted: The plugin was deleted successfully.
     no-config-notice: The plugin is not installed or doesn't provide a configuration page.
diff --git a/resources/lang/zh_CN/admin.yml b/resources/lang/zh_CN/admin.yml
index 5c22f062..56dc73d5 100644
--- a/resources/lang/zh_CN/admin.yml
+++ b/resources/lang/zh_CN/admin.yml
@@ -100,9 +100,10 @@ plugins:
     title: 操作
     enabled: :plugin 已启用
     unsatisfied:
-      notice: 无法启用此插件，因为其仍有未满足的依赖关系。请检查以下插件的版本，更新或安装它们：
-      disabled: "`:name` 插件未启用"
-      version: "`:name` 的版本不符合要求 `:constraint`"
+      notice: 无法启用此插件，因为其仍有冲突或未满足的依赖关系。请检查以下插件的版本，更新或安装它们并禁用存在冲突的插件：
+      disabled: ':name 插件未启用'
+      version: ':name 的版本不符合要求 `:constraint`'
+      conflict: ':name 插件与此插件不能同时运行'
     disabled: :plugin 已禁用
     deleted: 插件已被成功删除
     no-config-notice: 插件未安装或未提供配置页面
diff --git a/tests/PluginControllerTest.php b/tests/PluginControllerTest.php
index b1d97ff8..6e113dcb 100644
--- a/tests/PluginControllerTest.php
+++ b/tests/PluginControllerTest.php
@@ -97,6 +97,9 @@ class PluginControllerTest extends TestCase
                         'dep' => ['version' => '0.0.0', 'constraint' => '^6.6.6'],
                         'whatever' => ['version' => null, 'constraint' => '^1.2.3'],
                     ]),
+                    'conflicts' => collect([
+                        'conf' => ['version' => '1.2.3', 'constraint' => '^1.0.0'],
+                    ]),
                 ]);
 
             $mock->shouldReceive('get')
@@ -152,9 +155,8 @@ class PluginControllerTest extends TestCase
                         'name' => 'dep',
                         'constraint' => '^6.6.6',
                     ]),
-                    trans('admin.plugins.operations.unsatisfied.disabled', [
-                        'name' => 'whatever',
-                    ]),
+                    trans('admin.plugins.operations.unsatisfied.disabled', ['name' => 'whatever']),
+                    trans('admin.plugins.operations.unsatisfied.conflict', ['name' => 'conf']),
                 ],
             ],
         ]);
diff --git a/tests/ServicesTest/PluginManagerTest.php b/tests/ServicesTest/PluginManagerTest.php
index 15451bc0..1e0bfc1a 100644
--- a/tests/ServicesTest/PluginManagerTest.php
+++ b/tests/ServicesTest/PluginManagerTest.php
@@ -393,6 +393,26 @@ class PluginManagerTest extends TestCase
         $this->assertFalse($manager->getUnsatisfied($plugin)->has('another-plugin'));
     }
 
+    public function testGetConflicts()
+    {
+        $manager = app('plugins');
+
+        $plugin = new Plugin('/', ['enchants' => ['conflicts' => ['a' => '*', 'b' => '^1.2.0']]]);
+        $reflection = new ReflectionClass($manager);
+        $property = $reflection->getProperty('enabled');
+        $property->setAccessible(true);
+        $property->setValue($manager, collect(['b' => ['version' => '1.2.3']]));
+
+        $conflicts = $manager->getConflicts($plugin);
+        $this->assertNull($conflicts->get('a'));
+        $info = $conflicts->get('b');
+        $this->assertEquals('1.2.3', $info['version']);
+        $this->assertEquals('^1.2.0', $info['constraint']);
+
+        $plugin = new Plugin('/', ['enchants' => ['conflicts' => ['b' => '^0.0.0']]]);
+        $this->assertNull($manager->getConflicts($plugin)->get('b'));
+    }
+
     public function testEnable()
     {
         Event::fake();