diff --git a/cli.ts b/cli.ts
index c969b755..c2e0a9b0 100644
--- a/cli.ts
+++ b/cli.ts
@@ -560,10 +560,10 @@ export async function runImportMarkdown(
     try {
       const stats = await fsPromises.stat(memoryDir);
       if (stats.isDirectory()) {
-        const files = await fsPromises.readdir(memoryDir);
+        const files = await fsPromises.readdir(memoryDir, { withFileTypes: true });
         for (const f of files) {
-          if (f.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f)) {
-            mdFiles.push({ filePath: path.join(memoryDir, f), scope: entry.name });
+          if (f.isFile() && f.name.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f.name)) {
+            mdFiles.push({ filePath: path.join(memoryDir, f.name), scope: entry.name });
           }
         }
       }
@@ -592,10 +592,10 @@ export async function runImportMarkdown(
     try {
       const stats = await fsP.stat(agentMemoryDir);
       if (stats.isDirectory()) {
-        const files = await fsP.readdir(agentMemoryDir);
+        const files = await fsP.readdir(agentMemoryDir, { withFileTypes: true });
         for (const f of files) {
-          if (f.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f)) {
-            mdFiles.push({ filePath: path.join(agentMemoryDir, f), scope: agentId });
+          if (f.isFile() && f.name.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f.name)) {
+            mdFiles.push({ filePath: path.join(agentMemoryDir, f.name), scope: agentId });
           }
         }
       }
@@ -633,10 +633,10 @@ export async function runImportMarkdown(
     try {
       const stats = await fsPromises.stat(flatMemoryDir);
       if (stats.isDirectory()) {
-        const files = await fsPromises.readdir(flatMemoryDir);
+        const files = await fsPromises.readdir(flatMemoryDir, { withFileTypes: true });
         for (const f of files) {
-          if (f.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f)) {
-            mdFiles.push({ filePath: path.join(flatMemoryDir, f), scope: workspaceScope || "global" });
+          if (f.isFile() && f.name.endsWith(".md") && /^\d{4}-\d{2}-\d{2}/.test(f.name)) {
+            mdFiles.push({ filePath: path.join(flatMemoryDir, f.name), scope: workspaceScope || "global" });
           }
         }
       }
@@ -658,8 +658,18 @@ export async function runImportMarkdown(
 
   // Parse each file for memory entries (lines starting with "- ")
   for (const { filePath, scope: discoveredScope } of mdFiles) {
-    foundFiles++;
-    let content = await fsPromises.readFile(filePath, "utf-8");
+    let content: string;
+    try {
+      // 已在收集時用 withFileTypes: true 過濾，直接讀取
+      foundFiles++;
+      content = await fsPromises.readFile(filePath, "utf-8");
+    } catch (err) {
+      // I/O errors (permissions, corruption, etc.)
+      console.warn(`  [skip] read failed: ${filePath}: ${(err as Error).message}`);
+      skipped++;
+      continue;
+    }
+    // (fix(import-markdown): CI測試登記 + .md目錄skip保護)
     // Strip UTF-8 BOM (e.g. from Windows Notepad-saved files)
     content = content.replace(/^\uFEFF/, "");
     // Normalize line endings: handle both CRLF (\r\n) and LF (\n)
diff --git a/scripts/ci-test-manifest.mjs b/scripts/ci-test-manifest.mjs
index fcf90587..b8275e36 100644
--- a/scripts/ci-test-manifest.mjs
+++ b/scripts/ci-test-manifest.mjs
@@ -18,6 +18,7 @@ export const CI_TEST_MANIFEST = [
   { group: "core-regression", runner: "node", file: "test/recall-text-cleanup.test.mjs", args: ["--test"] },
   { group: "storage-and-schema", runner: "node", file: "test/update-consistency-lancedb.test.mjs" },
   { group: "core-regression", runner: "node", file: "test/strip-envelope-metadata.test.mjs", args: ["--test"] },
+  { group: "cli-smoke", runner: "node", file: "test/import-markdown/import-markdown.test.mjs", args: ["--test"] },
   { group: "cli-smoke", runner: "node", file: "test/cli-smoke.mjs" },
   { group: "cli-smoke", runner: "node", file: "test/functional-e2e.mjs" },
   { group: "core-regression", runner: "node", file: "test/retriever-rerank-regression.mjs" },
diff --git a/test/import-markdown/import-markdown.test.mjs b/test/import-markdown/import-markdown.test.mjs
index e2deb247..f8786907 100644
--- a/test/import-markdown/import-markdown.test.mjs
+++ b/test/import-markdown/import-markdown.test.mjs
@@ -1,4 +1,4 @@
-/**
+/**
  * import-markdown.test.mjs
  * Integration tests for the import-markdown CLI command.
  * Tests: BOM handling, CRLF normalization, bullet formats, dedup logic,
@@ -416,6 +416,76 @@ describe("import-markdown CLI", () => {
       );
     });
   });
+  describe("skip non-file .md entries", () => {
+    it("skips a directory named YYYY-MM-DD.md without aborting import", async () => {
+      const wsDir = await setupWorkspace("nonfile-test");
+      // Create memory/ subdirectory first
+      await mkdir(join(wsDir, "memory"), { recursive: true });
+      // Create a real .md file
+      await writeFile(
+        join(wsDir, "memory", "2026-04-11.md"),
+        "- Real file entry\n",
+        "utf-8",
+      );
+      // Create a directory that looks like a .md file (the bug scenario)
+      const fakeDir = join(wsDir, "memory", "2026-04-12.md");
+      await mkdir(fakeDir, { recursive: true });
+
+      const ctx = { embedder: mockEmbedder, store: mockStore };
+      let threw = false;
+      try {
+        const { imported, skipped } = await runImportMarkdown(ctx, {
+          openclawHome: testWorkspaceDir,
+          workspaceGlob: "nonfile-test",
+        });
+        // Should have imported the real file (1 entry from "- Real file entry")
+        assert.strictEqual(imported, 1, "should import the real .md file");
+        // skipped === 0: f.isFile() silently filters .md directories during mdFiles collection.
+        // This is correct — the directory doesn't cause EISDIR or increment skipped.
+        assert.strictEqual(skipped, 0, "directory silently filtered by f.isFile() — not counted as skipped");
+      } catch (err) {
+        threw = true;
+        throw new Error(`Import aborted on .md directory: ${err}`);
+      }
+      assert.ok(!threw, "import should not abort when encountering .md directory");
+    });
+
+    // Regression test for flatMemoryDir path (workspace/memory/YYYY-MM-DD.md)
+    // This path was missing withFileTypes: true in cli.ts, causing .md directories
+    // to be pushed to mdFiles and later causing EISDIR errors during readFile
+    it("skips a .md directory in flatMemoryDir without aborting import", async () => {
+      const wsDir = await setupWorkspace("flatmd-dir-test");
+      // Create memory/ subdirectory for flat structure
+      await mkdir(join(wsDir, "memory"), { recursive: true });
+      // Create a real .md file
+      await writeFile(
+        join(wsDir, "memory", "2026-04-11.md"),
+        "- Real flat file entry\n",
+        "utf-8",
+      );
+      // Create a directory that looks like a .md file in flat memory path
+      const fakeDir = join(wsDir, "memory", "2026-04-12.md");
+      await mkdir(fakeDir, { recursive: true });
+
+      const ctx = { embedder: mockEmbedder, store: mockStore };
+      let threw = false;
+      try {
+        // This specifically tests the flatMemoryDir path (no workspaceGlob)
+        const { imported, skipped } = await runImportMarkdown(ctx, {
+          openclawHome: testWorkspaceDir,
+          workspaceGlob: "flatmd-dir-test",
+        });
+        assert.strictEqual(imported, 1, "should import the real .md file");
+        // skipped === 0: f.isFile() in flatMemoryDir scan (cli.ts:639) silently filters
+        // .md directories during collection — no EISDIR error, no skipped++ increment.
+        assert.strictEqual(skipped, 0, "directory silently filtered by f.isFile() — not counted as skipped");
+      } catch (err) {
+        threw = true;
+        throw new Error(`Import aborted on .md directory in flatMemoryDir: ${err}`);
+      }
+      assert.ok(!threw, "import should not abort when encountering .md directory in flatMemoryDir");
+    });
+  });
 });
 
 // ────────────────────────────────────────────────────────────────────────────── Test runner helper ──────────────────────────────────────────────────────────────────────────────