diff --git a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
index f880293ba..7c379d210 100644
--- a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
+++ b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
@@ -272,7 +272,7 @@
       "title": "No repeats please",
       "description": [
         "把一个字符串中的字符重新排列生成新的字符串，返回新生成的字符串里没有连续重复字符的字符串个数.连续重复只以单个字符为准",
-        "例如, <code>aab</code> 应该返回 2 因为它总共有6中排列 (<code>aab</code>, <code>aab</code>, <code>aba</code>, <code>aba</code>, <code>baa</code>, <code>baa</code>), 但是只有两个 (<code>aba</code> and <code>aba</code>)没有连续重复的字符 (在本例中是 <code>a</code>).",
+        "例如, <code>aab</code> 应该返回 2 因为它总共有 6 种排列 (<code>aab</code>, <code>aab</code>, <code>aba</code>, <code>aba</code>, <code>baa</code>, <code>baa</code>), 但是只有两个 (<code>aba</code> and <code>aba</code>)没有连续重复的字符 (在本例中是 <code>a</code>).",
         "当你遇到困难的时候，记得查看错误提示、阅读文档、搜索、提问。"
       ],
       "challengeSeed": [
diff --git a/seed/challenges/01-front-end-development-certification/basic-javascript.json b/seed/challenges/01-front-end-development-certification/basic-javascript.json
index 266c336d7..8db906d0d 100644
--- a/seed/challenges/01-front-end-development-certification/basic-javascript.json
+++ b/seed/challenges/01-front-end-development-certification/basic-javascript.json
@@ -4471,7 +4471,7 @@
       "id": "cf1111c1c13feddfaeb1bdef",
       "title": "Add your JavaScript Slot Machine Slots",
       "description": [
-        "现在我们的老虎机每次生存3个随机数，我们得去检查随机数是否全部相等的情况。",
+        "现在我们的老虎机每次生成3个随机数，我们得去检查随机数是否全部相等的情况。",
         "如果全部相等，我们应该提示用户他们赢了，并返回中奖号码，否则我们应该返回null。",
         "<code>null</code> 是JavaScript中的一种数据类型，意味着空。",
         "当这3个随机数相等的时候，判定用户赢。让我们创建一个<code>if statement</code>，用多个条件按顺序来检查它们是否相等。类似于：",
diff --git a/seed/challenges/01-front-end-development-certification/object-oriented-and-functional-programming.json b/seed/challenges/01-front-end-development-certification/object-oriented-and-functional-programming.json
index cd8d03b98..d4db9811b 100644
--- a/seed/challenges/01-front-end-development-certification/object-oriented-and-functional-programming.json
+++ b/seed/challenges/01-front-end-development-certification/object-oriented-and-functional-programming.json
@@ -146,13 +146,13 @@
       ],
       "challengeSeed": [
         "var Car = function() {",
-        "  //Change this constructor",
+        "  // 请修改这个构造器",
         "  this.wheels = 4;",
         "  this.seats = 1;",
         "  this.engines = 1;",
         "};",
         "",
-        "//Try it out here",
+        "// 你可以修改这一行来测试你的代码",
         "var myCar;"
       ],
       "tail": [