diff --git a/app/api_bp.py b/app/api_bp.py
new file mode 100644
index 0000000..311af02
--- /dev/null
+++ b/app/api_bp.py
@@ -0,0 +1,44 @@
+import json
+from flask import Blueprint
+from wordfreqCMD import *
+from Article import get_today_article, load_freq_history
+import pickle_idea
+import pickle_idea2
+
+path_prefix = '/var/www/wordfreq/wordfreq/'
+path_prefix = './'  # comment this line in deployment
+
+# 创建api蓝图
+api_blue = Blueprint('api', __name__, url_prefix='/api')
+
+
+def helper(res, result):
+    for item in res:
+        if type(res[str(item)]) == 'dict':
+            helper(res[str(item)], result)
+        if type(res[str(item)])== 'list':
+            for i in range(len(res[str(item)])):
+                helper(res[str(item)][i], result)
+        result.append(str(item))
+    return result
+
+
+@api_blue.route('/json/<username>', methods=['GET'])
+def api_bp(username):
+    # 获取session里的用户名
+    result = []
+    user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
+    s = pickle_idea2.load_record(user_freq_record)
+    wordlist = helper(s,result)
+    results = "{"
+    i=0
+    for word in wordlist:
+        if i!=len(wordlist)-1:
+            results +='"' + word +'":' + str(len(s[word])) +","
+            i=i+1
+        else:
+            results += '"' + word + '":' + str(len(s[word]))
+    results+="}"
+
+
+    return results
diff --git a/app/main.py b/app/main.py
index d903bf4..2a667e0 100644
--- a/app/main.py
+++ b/app/main.py
@@ -11,12 +11,14 @@ from Article import *
 import Yaml
 from user_service import userService
 from account_service import accountService
+from api_bp import api_blue
 app = Flask(__name__)
 app.secret_key = 'lunch.time!'
 
 # 将蓝图注册到Lab app
 app.register_blueprint(userService)
 app.register_blueprint(accountService)
+app.register_blueprint(api_blue)
 
 path_prefix = '/var/www/wordfreq/wordfreq/'
 path_prefix = './'  # comment this line in deployment