diff --git "a/docs/18.YAML \346\226\207\344\273\266.md" "b/docs/18.YAML \346\226\207\344\273\266.md"
index 796523091b02297b64d4607e9d709456d9186067..142e5bb011ed7cca8d7b526ebffcdac0407afc23 100644
--- "a/docs/18.YAML \346\226\207\344\273\266.md"	
+++ "b/docs/18.YAML \346\226\207\344\273\266.md"	
@@ -55,14 +55,14 @@ metadata:
 同样的，我们可以将上面的 YAML 文件转换成 JSON 文件：
 ```json
 {
-    "apiVersion": "v1",
-    "kind": "Pod",
-    "metadata": {
-        "name": "kube100-site",
-        "labels": {
-            "app": "web"
-        }
+  "apiVersion": "v1",
+  "kind": "Pod",
+  "metadata": {
+    "name": "kube100-site",
+    "labels": {
+      "app": "web"
     }
+  }
 }
 ```
 
@@ -80,7 +80,7 @@ args
 你可以有任何数量的项在列表中，每个项的定义以破折号（-）开头的，与父元素直接可以缩进一个空格。对应的 JSON 格式如下：
 ```json
 {
-    "args": [ 'Cat', 'Dog', 'Fish' ]
+	"args": ["Cat", "Dog", "Fish"]
 }
 ```
 
@@ -108,29 +108,29 @@ spec:
 比如这个 YAML 文件，我们定义了一个叫 containers 的 List 对象，每个子项都由 name、image、ports 组成，每个 ports 都有一个 key 为 containerPort 的 Map 组成，同样的，我们可以转成如下 JSON 格式文件：
 ```json
 {
-    "apiVersion": "v1",
-    "kind": "Pod",
-    "metadata": {
-        "name": "kube100-site",
-        "labels": {
-            "app": web"
-        }
-    },
-    "spec": {
-        "containers": [{
-            "name": "front-end",
-            "image": "nginx",
-            "ports": [{
-                "containerPort": "80"
-            }]
-        }, {
-            "name": "flaskapp-demo",
-            "image": "jcdemo/flaskapp",
-            "ports": [{
-                "containerPort": "5000"
-            }]
-        }]
-    }
+	"apiVersion": "v1",
+	"kind": "Pod",
+	"metadata": {
+		"name": "kube100-site",
+		"labels": {
+			"app": "web"
+		}
+	},
+	"spec": {
+		"containers": [{
+			"name": "front-end",
+			"image": "nginx",
+			"ports": [{
+				"containerPort": 80
+			}]
+		}, {
+			"name": "flaskapp-demo",
+			"image": "jcdemo/flaskapp",
+			"ports": [{
+				"containerPort": 5000
+			}]
+		}]
+	}
 }
 ```
 
diff --git "a/docs/50.Kubernetes\350\260\203\345\272\246\347\255\226\347\225\245.md" "b/docs/50.Kubernetes\350\260\203\345\272\246\347\255\226\347\225\245.md"
index fd8d1db542e37f0b4f08d726a385d1782b032fd1..bdeda7b49de1e0e6251f8a5e73d7d9d1cba42979 100644
--- "a/docs/50.Kubernetes\350\260\203\345\272\246\347\255\226\347\225\245.md"
+++ "b/docs/50.Kubernetes\350\260\203\345\272\246\347\255\226\347\225\245.md"
@@ -93,22 +93,22 @@ finalScoreNode = (weight1 * priorityFunc1) + (weight2 * priorityFunc2) + … + (
 下面是官方的 Policy 文件示例：
 ```json
 {
-    "kind" : "Policy",
-    "apiVersion" : "v1",
-    "predicates" : [
-        {"name" : "PodFitsHostPorts"},
-        {"name" : "PodFitsResources"},
-        {"name" : "NoDiskConflict"},
-        {"name" : "NoVolumeZoneConflict"},
-        {"name" : "MatchNodeSelector"},
-        {"name" : "HostName"}
-    ],
-    "priorities" : [
-        {"name" : "LeastRequestedPriority", "weight" : 1},
-        {"name" : "BalancedResourceAllocation", "weight" : 1},
-        {"name" : "ServiceSpreadingPriority", "weight" : 1},
-        {"name" : "EqualPriority", "weight" : 1}
-    ]
+  "kind" : "Policy",
+  "apiVersion" : "v1",
+  "predicates" : [
+      {"name" : "PodFitsHostPorts"},
+      {"name" : "PodFitsResources"},
+      {"name" : "NoDiskConflict"},
+      {"name" : "NoVolumeZoneConflict"},
+      {"name" : "MatchNodeSelector"},
+      {"name" : "HostName"}
+  ],
+  "priorities" : [
+      {"name" : "LeastRequestedPriority", "weight" : 1},
+      {"name" : "BalancedResourceAllocation", "weight" : 1},
+      {"name" : "ServiceSpreadingPriority", "weight" : 1},
+      {"name" : "EqualPriority", "weight" : 1}
+  ]
 }
 ```