diff --git a/src/senior/Collection/CollectioMap.kt b/src/senior/Collection/CollectioMap.kt
index f70d909..8481709 100644
--- a/src/senior/Collection/CollectioMap.kt
+++ b/src/senior/Collection/CollectioMap.kt
@@ -4,10 +4,10 @@ fun main(args: Array<String>) {
     // 不可变map
     var m: Map<String, String> = mapOf("a" to "A", "b" to "B", "c" to "C")
     println(m)
-    m.forEach{
+    m.forEach {
         println("key = ${it.key}, value = ${it.value}")
     }
-    for ((k,v) in m) {
+    for ((k, v) in m) {
         println("k = $k,v = $v")
     }
     println(m.get("a"))
@@ -32,7 +32,7 @@ fun main(args: Array<String>) {
 
     // 遍历map
     var entries = map.entries
-    entries.forEach{
+    entries.forEach {
         println("key = ${it.key},value = ${it.value}")
     }
 }
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