diff --git a/src/test/providers/pathOperationTreeProvider.test.ts b/src/test/providers/pathOperationTreeProvider.test.ts
index 0c9c077..2d03628 100644
--- a/src/test/providers/pathOperationTreeProvider.test.ts
+++ b/src/test/providers/pathOperationTreeProvider.test.ts
@@ -81,6 +81,18 @@ suite("getAppLabel", () => {
   test("falls back to filename when no parent dirs", () => {
     assert.strictEqual(getAppLabel(makeApp("app", "main.py")), "main")
   })
+
+  test("decodes a URI path before using the parent directory", () => {
+    assert.strictEqual(
+      getAppLabel(
+        makeApp(
+          "app",
+          "file:///c%3A/project/day01_FastAPI%E5%9F%BA%E7%A1%80/%E4%BB%A3%E7%A0%81/01-%E8%B7%AF%E7%94%B1.py",
+        ),
+      ),
+      "代码",
+    )
+  })
 })
 
 suite("getRouterLabel", () => {
@@ -122,6 +134,31 @@ suite("getRouterLabel", () => {
       "items",
     )
   })
+
+  test("decodes a URI path before using the filename", () => {
+    assert.strictEqual(
+      getRouterLabel(
+        makeRouter("/", {
+          filePath:
+            "file:///project/%E4%BB%A3%E7%A0%81/01-%E8%B7%AF%E7%94%B1.py",
+        }),
+        "/",
+      ),
+      "01-路由",
+    )
+  })
+
+  test("decodes a URI path before using a generic filename's parent", () => {
+    assert.strictEqual(
+      getRouterLabel(
+        makeRouter("/", {
+          filePath: "file:///project/%E4%BB%A3%E7%A0%81/routes.py",
+        }),
+        "/",
+      ),
+      "代码",
+    )
+  })
 })
 
 suite("getRouteLabel", () => {
diff --git a/src/vscode/pathOperationTreeProvider.ts b/src/vscode/pathOperationTreeProvider.ts
index 35d7298..d215625 100644
--- a/src/vscode/pathOperationTreeProvider.ts
+++ b/src/vscode/pathOperationTreeProvider.ts
@@ -45,7 +45,7 @@ const METHOD_ORDER: Record<RouteMethod, number> = {
 
 export function getAppLabel(app: AppDefinition): string {
   if (app.name !== "app") return app.name
-  const pathParts = app.filePath.split("/")
+  const pathParts = Uri.parse(app.filePath).path.split("/")
   const fileName = pathParts.pop() ?? ""
   const parentDir = pathParts.pop() ?? ""
   const grandParentDir = pathParts.pop() ?? ""
@@ -73,7 +73,7 @@ export function getRouterLabel(
   if (label !== "/") return label
 
   if (router.tags.length > 0) return `/${router.tags[0]}`
-  const parts = router.location.filePath.split("/")
+  const parts = Uri.parse(router.location.filePath).path.split("/")
   const fileName = parts.pop()?.replace(/\.py$/, "") ?? ""
   if (fileName === "router" || fileName === "routes")
     return parts.pop() ?? fileName