diff --git a/RELEASE.md b/RELEASE.md
index 66315e962d781f2e5f5b712159182ee8b1e5c236..6e32c5cb9d7fdaf41a63b58e0e175c9210972ec4 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,4 +1,4 @@
-# `v1.2.0` 
+# `v1.2.0`
 
 * 新增**超参优化Auto Fine-tune**，实现给定超参搜索空间，PaddleHub自动给出较佳的超参组合
   * 支持两种优化策略：HAZero和PSHE2
diff --git a/demo/lac/lac_demo.py b/demo/lac/lac_demo.py
index 59df78fb95fffc6982ea93a27daa5ad8bafe8522..2dafcdf9aedb89a99c272a46062ed24854bb8f96 100644
--- a/demo/lac/lac_demo.py
+++ b/demo/lac/lac_demo.py
@@ -19,10 +19,10 @@ if __name__ == "__main__":
     results = lac.lexical_analysis(data=inputs, use_gpu=True, batch_size=10)
     for result in results:
         if six.PY2:
-            print(
-                json.dumps(result['word'], encoding="utf8", ensure_ascii=False))
-            print(
-                json.dumps(result['tag'], encoding="utf8", ensure_ascii=False))
+            print(json.dumps(
+                result['word'], encoding="utf8", ensure_ascii=False))
+            print(json.dumps(
+                result['tag'], encoding="utf8", ensure_ascii=False))
         else:
             print(result['word'])
             print(result['tag'])
diff --git a/demo/senta/senta_demo.py b/demo/senta/senta_demo.py
index 328517d306069728dd523343594f6930f2aa69ef..07446a86d1d02d77c41ae76434a8574ef1ffd7ca 100644
--- a/demo/senta/senta_demo.py
+++ b/demo/senta/senta_demo.py
@@ -21,7 +21,7 @@ if __name__ == "__main__":
         results[index]["text"] = text
     for index, result in enumerate(results):
         if six.PY2:
-            print(
-                json.dumps(results[index], encoding="utf8", ensure_ascii=False))
+            print(json.dumps(
+                results[index], encoding="utf8", ensure_ascii=False))
         else:
             print(results[index])