diff --git a/designer_base/src/com/fr/design/fun/DesignerEnvProcessor.java b/designer_base/src/com/fr/design/fun/DesignerEnvProcessor.java
index 805a074b4..0278a8e0b 100644
--- a/designer_base/src/com/fr/design/fun/DesignerEnvProcessor.java
+++ b/designer_base/src/com/fr/design/fun/DesignerEnvProcessor.java
@@ -21,4 +21,11 @@ public interface DesignerEnvProcessor extends Level{
      * @return 修改后的jsessionid
      */
     String changeEnvPathBeforeConnect(String userName, String password, String path);
+
+    /**
+     * web端预览的时候不需要jsessionid, 他会默认跳转到登陆页面, 如果带上了, 返回会因为里面资源文件加载不到而出问题.
+     *
+     * @return web端预览地址
+     */
+    String getWebBrowserURL(String envPath);
 }
diff --git a/designer_base/src/com/fr/design/fun/impl/AbstractDesignerEnvProcessor.java b/designer_base/src/com/fr/design/fun/impl/AbstractDesignerEnvProcessor.java
index 1c07a37db..a7a51f670 100644
--- a/designer_base/src/com/fr/design/fun/impl/AbstractDesignerEnvProcessor.java
+++ b/designer_base/src/com/fr/design/fun/impl/AbstractDesignerEnvProcessor.java
@@ -15,4 +15,13 @@ public abstract class AbstractDesignerEnvProcessor implements DesignerEnvProcess
         return path;
     }
 
+    /**
+     * web端预览的时候不需要jsessionid, 他会默认跳转到登陆页面, 如果带上了, 返回会因为里面资源文件加载不到而出问题.
+     *
+     * @return web端预览地址
+     */
+    public String getWebBrowserURL(String envPath){
+        return envPath;
+    }
+
 }
diff --git a/designer_base/src/com/fr/design/utils/DesignUtils.java b/designer_base/src/com/fr/design/utils/DesignUtils.java
index f048578d9..94db76af5 100644
--- a/designer_base/src/com/fr/design/utils/DesignUtils.java
+++ b/designer_base/src/com/fr/design/utils/DesignUtils.java
@@ -5,6 +5,8 @@ import com.fr.base.remote.RemoteDeziConstants;
 import com.fr.dav.DavXMLUtils;
 import com.fr.dav.LocalEnv;
 import com.fr.design.DesignerEnvManager;
+import com.fr.design.ExtraDesignClassManager;
+import com.fr.design.fun.DesignerEnvProcessor;
 import com.fr.design.gui.UILookAndFeel;
 import com.fr.design.mainframe.DesignerContext;
 import com.fr.env.RemoteEnv;
@@ -303,7 +305,8 @@ public class DesignUtils {
                     postfixOfUri = isUserPrivilege ? postfixOfUri + "&fr_check_url=" + time + "&id=" + FRContext.getCurrentEnv().getUserID(): postfixOfUri ;
                 }
 
-                Desktop.getDesktop().browse(new URI(FRContext.getCurrentEnv().getPath() + postfixOfUri));
+                String urlPath = getWebBrowserPath();
+                Desktop.getDesktop().browse(new URI(urlPath + postfixOfUri));
             } catch (Exception e) {
                 FRContext.getLogger().error("cannot open the url Successful", e);
             }
@@ -319,6 +322,16 @@ public class DesignUtils {
         }
     }
 
+    private static String getWebBrowserPath() {
+        String urlPath = FRContext.getCurrentEnv().getPath();
+        DesignerEnvProcessor processor = ExtraDesignClassManager.getInstance().getEnvProcessor();
+        if (processor != null) {
+            //cas访问的时候, url要处理下.
+            urlPath = processor.getWebBrowserURL(urlPath);
+        }
+        return urlPath;
+    }
+
     //TODO:august:下个版本，要把下面的图片都放在一个preload文件夹下，表示可以预先加载。然后遍历一下就可以了，不用这么一个一个的写了
 
     /**