修改好友动态、发布动态、促销模块、创建帖子,Resolve review.

Change-Id: I84a2460dd1208bc703b0527d98225204d03e5efc
diff --git a/src/pages/Forum/posts-main/components/SearchBar.jsx b/src/pages/Forum/posts-main/components/SearchBar.jsx
index 52b873d..281d578 100644
--- a/src/pages/Forum/posts-main/components/SearchBar.jsx
+++ b/src/pages/Forum/posts-main/components/SearchBar.jsx
@@ -16,7 +16,7 @@
         type="text"
         value={query}
         onChange={e => setQuery(e.target.value)}
-        placeholder="标题"
+        placeholder="输入要搜索的帖子"
         className="search-input"
       />
       <button onClick={handleSearch} className="search-btn">搜索</button>