diff --git a/frontend/src/components/ProjectSidebar.vue b/frontend/src/components/ProjectSidebar.vue
index ab92b5a..0d24ce3 100644
--- a/frontend/src/components/ProjectSidebar.vue
+++ b/frontend/src/components/ProjectSidebar.vue
@@ -63,13 +63,22 @@ function statusLabel(status) {
             <div class="project-name">{{ p.name }}</div>
             <div class="project-path">{{ p.path }}</div>
           </div>
-          <button
-            class="btn-edit"
-            title="修改项目"
-            @click="openEdit(p, $event)"
-          >
-            <i class="fas fa-pen"></i>
-          </button>
+          <div class="project-actions">
+            <button
+              class="btn-icon"
+              title="修改项目"
+              @click="openEdit(p, $event)"
+            >
+              <i class="fas fa-pen"></i>
+            </button>
+            <button
+              class="btn-icon btn-danger"
+              title="删除项目"
+              @click.stop="store.deleteProject(p.id)"
+            >
+              <i class="fas fa-trash"></i>
+            </button>
+          </div>
         </div>
         <div class="project-status-row">
           <span class="status-badge" :class="statusClass(p.status)">{{ statusLabel(p.status) }}</span>
@@ -156,8 +165,12 @@ function statusLabel(status) {
   border-left-color: var(--accent-blue);
 }
 .project-info { display: flex; align-items: center; gap: 0.5rem; }
-.btn-edit {
+.project-actions {
+  display: flex;
+  gap: 0.25rem;
   flex-shrink: 0;
+}
+.btn-icon {
   width: 1.5rem;
   height: 1.5rem;
   padding: 0;
@@ -172,7 +185,9 @@ function statusLabel(status) {
   font-size: 0.75rem;
   opacity: 0.7;
 }
-.btn-edit:hover { color: var(--accent-blue); background: var(--bg-secondary); opacity: 1; }
+.btn-icon:hover { color: var(--accent-blue); background: var(--bg-secondary); opacity: 1; }
+.btn-danger { color: #f97373; }
+.btn-danger:hover { color: #f97373; background: rgba(248, 113, 113, 0.12); }
 .folder-icon { color: var(--accent-blue); font-size: 0.875rem; }
 .project-meta { flex: 1; min-width: 0; }
 .project-name { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
diff --git a/frontend/src/stores/projects.js b/frontend/src/stores/projects.js
index a485143..844258c 100644
--- a/frontend/src/stores/projects.js
+++ b/frontend/src/stores/projects.js
@@ -34,7 +34,10 @@ export const useProjectsStore = defineStore('projects', () => {
   const selectedFilePath = ref(null)
   const fileContent = ref(null)
 
-  const current = computed(() => list.value.find(p => p.id === currentId.value) || null)
+  const current = computed(() => {
+    if (!Array.isArray(list.value)) return null
+    return list.value.find(p => p.id === currentId.value) || null
+  })
   const rawFileTree = computed(() => statusData.value?.fileTree || null)
   const currentFileTree = computed(() => {
     const tree = rawFileTree.value
@@ -48,7 +51,7 @@ export const useProjectsStore = defineStore('projects', () => {
     error.value = null
     try {
       const res = await projectsApi.list()
-      list.value = res.data || []
+      list.value = Array.isArray(res.data) ? res.data : []
       if (list.value.length && !currentId.value) {
         currentId.value = list.value[0].id
         await refreshStatus()
@@ -72,6 +75,19 @@ export const useProjectsStore = defineStore('projects', () => {
     return res.data
   }
 
+  async function deleteProject(id) {
+    if (!id) return
+    await projectsApi.delete(id)
+    // 重新加载列表并重置当前项目
+    await loadProjects()
+    if (!list.value.length) {
+      currentId.value = null
+      statusData.value = null
+      selectedFilePath.value = null
+      fileContent.value = null
+    }
+  }
+
   async function refreshStatus() {
     if (!currentId.value) return
     loading.value = true
@@ -169,6 +185,7 @@ export const useProjectsStore = defineStore('projects', () => {
     loadProjects,
     addProject,
     updateProject,
+    deleteProject,
     refreshStatus,
     updateSvn,
     commit,