diff --git a/test/home.html b/test/home.html
index bad52c0..3d58019 100644
--- a/test/home.html
+++ b/test/home.html
@@ -537,7 +537,7 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
                     cell1.textContent = repoFullName;
                     cell2.textContent = repoURL;
                     cell3.innerHTML = `<button onclick="openProject('${repoID}')">Open Project</button>
-                    <button onclick="deleteDevContainer('${repoID}')">Delete</button>
+                    <button onclick="deleteDevContainer('${repoID}')">Delete Project</button>
                     `; 
 
                 });
@@ -618,22 +618,27 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
         // ===================================== Projects ===========================
 
         async function openProject(repoId) {
-            // TODO: check if container exist
+            var newCreated = false;
+            // check if container exist
             await hasDevContainer(repoId)
             .then(async hasDevContainer => {
                 if (!hasDevContainer) {
                     showAlert("正在创建开发容器...", 1500)
                     await createDevContainer(repoId)
                     .then(res => {
+                        newCreated = true;
+                        showAlert("创建容器成功！", 1500)
                         console.log(`Succeed to create dev container for repo ${repoId}`)
                     })
                     .catch(error => {
                         showAlert("创建容器失败！", 1500)
                         console.log(`Fail to create dev container for repo ${repoId}: `, error)
+                        return;
                     })
                 }
             }).catch(error => {
                 console.log("There has a problem when check if the repo has devContainer:", error)
+                return;
             })
 
             console.log("opening project")
@@ -676,10 +681,10 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
                     // default: open with key
                     communicateVSCodeByWebview('firstOpenRemoteFolder', {host: `${devContainerHost}`, username: `${devContainerUsername}`, port: `${devContainerPort}`, path: `${devContainerWorkDir}`})
                 } else {
-                    // TODO: show Error to User
+                    // show Error to User
                     showAlert("打开容器失败！", 1500)
                     const responseErrorMsg = data.data.ErrorMsg
-                    console.log("Error happen when starting dev container", responseErrorMsg)
+                    console.error("Error happen when starting dev container", responseErrorMsg)
                 }
             })
             .catch(error => {
@@ -723,7 +728,6 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
             })
         }
 
-        // TODO: create container
         async function createDevContainer(repoId) {
             return new Promise(async (resolve, reject) => {
                 // request creating container
@@ -777,7 +781,6 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
             }
         }
 
-        // TODO: delete container
         function deleteDevContainer(repoId) {
             var url = DEVSTAR_HOME + "/api/devcontainer"  
             var token = USERTOKEN
@@ -804,12 +807,14 @@ header("Allow: GET, POST, OPTIONS, PUT, DELETE");
                 const respCode = data.code;
                 if (0 == respCode) {
                     console.log('Successfully delete dev container belong to repoId:', repoId, data)
+                    showAlert("删除容器成功！", 1500)
                 } else {
                     const errorMsg = data.data.ErrorMsg
                     throw new Error(errorMsg)
                 }
             })
             .catch(error => {
+                showAlert(`删除容器失败\n${error}`, 3000)
                 console.error(`Failed to delete dev container belong to repoId: ${repoId}\n`, error)
             })
         }