diff --git a/packages/registry/package.json b/packages/registry/package.json
index 787468b..d9cadd2 100644
--- a/packages/registry/package.json
+++ b/packages/registry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@serverless-devs/registry",
-  "version": "0.0.11-beta.6",
+  "version": "0.0.11-beta.7",
   "description": "request for serverless-devs",
   "main": "lib/index.js",
   "scripts": {
diff --git a/packages/registry/src/actions/constant.ts b/packages/registry/src/actions/constant.ts
index 761f4db..92c833f 100644
--- a/packages/registry/src/actions/constant.ts
+++ b/packages/registry/src/actions/constant.ts
@@ -158,4 +158,16 @@ export const publishSchema = {
       }
     }
   }
-}
\ No newline at end of file
+}
+
+export const STANDARD_DIR_STRUCTURE = `
+A standard directory structure can be like this:
+├── publish.yaml
+├── readme.md
+├── readme_en.md
+├── version.md
+├── src/
+│  ├── s.yaml
+│  ├── readme.md
+│  └── code
+└── hook`;
diff --git a/packages/registry/src/actions/package.ts b/packages/registry/src/actions/package.ts
index d381618..eb29289 100644
--- a/packages/registry/src/actions/package.ts
+++ b/packages/registry/src/actions/package.ts
@@ -9,7 +9,7 @@ import yaml from 'js-yaml';
 import querystring from 'querystring';
 import { forEach, get, isEmpty, includes, keys, difference } from 'lodash';
 import chalk from 'chalk';
-import { publishSchema } from './constant';
+import { publishSchema, STANDARD_DIR_STRUCTURE } from './constant';
 import Ajv from 'ajv';
 import { validateTemplateParameters } from '../util/validate';
 
@@ -58,7 +58,7 @@ interface IRequest {
 
 function checkEdition(str: string) {
   if (!str) {
-    throw new Error('Need to publish YAML content');
+    throw new Error('No Publish.yaml found or Publish.yaml is empty.');
   }
   const { Edition } = yaml.load(str) as Record<string, any>;
   if (Edition !== '3.0.0') {
@@ -164,14 +164,17 @@ export const list = async (options?: IList) => {
 
 // yaml validate before publish
 const validate = (codeUri: string) => {
+  // check folders
+  if (!fs.existsSync(path.join(codeUri, 'src'))) {
+    throw new Error(`src folder not found in the current working directory.${STANDARD_DIR_STRUCTURE}`);
+  }
   const publishYaml = getYamlContentText(path.join(codeUri, 'publish')) as string;
-  checkEdition(publishYaml);
-
   try {
     yaml.load(publishYaml) as Record<string, any>;
   } catch (error) {
-    throw new Error(`Publish.yaml format error, please check the yaml.`);
+    throw new Error(`Publish.yaml format error: \n${error}`);
   }
+  checkEdition(publishYaml);
   const yamlObject = yaml.load(publishYaml) as Record<string, any>;
   const errorMsg = `Publish.yaml illegal.
   Application dev: https://manual.serverless-devs.com/dev-guide/application/