fix style

@@ -163,7 +163,8 @@
         $('.build-btn').click(function() {
             var env = $(this).parents('.panel').data('env');
             var i = layer.prompt({
-                title: '请输入需要构建的分支，默认为 {{deploy.branchName}}'
+                title: '请输入需要构建的分支，默认为 {{deploy.branchName}}',
+                value: 'master'
             }, function(branch) {
                 branch = branch || '{{deploy.branchName}}';
                 $.post('/projects/build/{{project._id}}', {env: env, branch: branch}, function(ret) {

@@ -91,4 +91,8 @@ body .mainwrapper .leftpanel {
 
 .label.test {
     background-color: #5cb85c;
+}
+
+.project-env {
+    cursor: pointer;
 }
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