Update README.md

lzx1413 · web-flow · commit 888af6a2eb72 · 2018-07-02T19:09:49.000+08:00
fix typo
diff --git a/009-斐波那契数列/README.md b/009-斐波那契数列/README.md
@@ -589,7 +589,7 @@ public:
     {
         if(n  == 0)
         {
-            return 1;
+            return 0;
         }
         else if(n == 1)
         {
