fix bug

@@ -204,16 +204,25 @@ const p = {
             let targets = project.deploy[building.env].target;
 
             targets.forEach(async(host) => {
-                let info = {
+
+                let doc = await DeployInfo.findOne({
                     projectId: project._id,
                     host: host,
-                    env: building.env,
-                    building: building.buildTime,
-                    state: 'waiting'
-                };
-                info._id = await DeployInfo.insertOrUpdate(info);
-                let deploy = new Deploy(project, building);
-                deploy.deploy(info);
+                    env: building.env
+                });
+
+                if (doc.state !== 'running') {
+                    let info = {
+                        projectId: project._id,
+                        host: host,
+                        env: building.env,
+                        building: building.buildTime,
+                        state: 'waiting'
+                    };
+                    info._id = await DeployInfo.insertOrUpdate(info);
+                    let deploy = new Deploy(project, building);
+                    deploy.deploy(info);
+                }
             });
 
             await Operation.action(ctx.session.user, 'PROJECT_DEPLOY', '项目分发部署', {_id: buildingId, project: project.name, branch: building.branch, env: building.env});