diff --git a/application/default/views/scripts/water/surveystd.phtml b/application/default/views/scripts/water/surveystd.phtml
index aaa8df12..d97d6121 100644
--- a/application/default/views/scripts/water/surveystd.phtml
+++ b/application/default/views/scripts/water/surveystd.phtml
@@ -47,6 +47,6 @@ $this->breadcrumb()->setSeparator(' > ');
 <li><a href="/doc/water/叶倾角等参数测量规范.pdf">叶倾角等参数测量规范</a></li>
 <li><a href="/doc/water/真实性检验相关的地面测量规范.pdf">真实性检验相关的地面测量规范</a></li>
 <li><a href="/doc/water/作物光谱测量规范.pdf">作物光谱测量规范</a></li>
-<li><a href="/doc/water/涡动相关通量观测指导手册 (Ver.20111126).pdf">涡动相关通量观测指导手册</a></li>
+<li><a href="/doc/water/涡动相关通量观测指导手册 (Ver.20120212).pdf">涡动相关通量观测指导手册</a></li>
 </ol>
 </div>
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