diff --git a/src/api.server.ts b/src/api.server.ts
index d852621..5b02566 100644
--- a/src/api.server.ts
+++ b/src/api.server.ts
@@ -137,7 +137,7 @@ export class ApiServer {
             self.registerRouter();
             self.setErrHandler();
             // self.setFormatSend();
-            this.server.listen({port: config.api.port, host: config.api.host}, (err: any, address: any) => {
+            this.server.listen({port: config.api.port}, (err: any, address: any) => {
                 if (err) {
                     logger.log(err)
                     process.exit(0)
diff --git a/src/api/controllers/puzzle.controller.ts b/src/api/controllers/puzzle.controller.ts
new file mode 100644
index 0000000..2bcff03
--- /dev/null
+++ b/src/api/controllers/puzzle.controller.ts
@@ -0,0 +1,48 @@
+import BaseController from '../../common/base.controller'
+import { role, router } from '../../decorators/router'
+import { Puzzle } from '../../models/content/Puzzle'
+import { ZError } from '../../common/ZError'
+
+class PuzzleController extends BaseController {
+  @role('anon')
+  @router('post /puzzle/list')
+  async list(req, res) {
+    let { shop, level } = req.params
+    let count = 10
+    let records = await Puzzle.aggregate([
+      { $match: { status: 1, is_hide: 0, deleted: 0 } },
+      { $sample: { size: count } }
+    ]).exec()
+    return records.map(o => {
+      let answers = []
+      for (let i = 1; i <=4; i++) {
+        if (o[`a${i}`]) {
+          answers.push(o[`a${i}`])
+        }
+      }
+      answers.randomSort()
+      return {
+        id: o._id,
+        title: o.question,
+        answers,
+        type: 1
+      }
+    })
+  }
+
+  @role('anon')
+  @router('post /puzzle/answer')
+  async report(req, res) {
+    let { id, answer } = req.params
+    if (!id || !answer) {
+      throw new ZError(11, 'param mismatch')
+    }
+    let record = await Puzzle.findById(id)
+    if (!record) {
+      throw new ZError(12, 'question not found')
+    }
+    let result = record.a1 == answer ? 1 : 0
+
+    return {result}
+  }
+}