From ffa7ff9c023d48fa87cb4637b4d9594de3d04709 Mon Sep 17 00:00:00 2001
From: Roc <30228238+sljlp@users.noreply.github.com>
Date: Fri, 28 Jan 2022 16:38:23 +0800
Subject: [PATCH] fix optimizer docs (#39297)

---
 python/paddle/optimizer/optimizer.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/python/paddle/optimizer/optimizer.py b/python/paddle/optimizer/optimizer.py
index 989da2db71..47dc02705f 100644
--- a/python/paddle/optimizer/optimizer.py
+++ b/python/paddle/optimizer/optimizer.py
@@ -91,7 +91,7 @@ class Optimizer(object):
             loss = paddle.mean(out)
             adam = paddle.optimizer.Adam(learning_rate=0.1,
                     parameters=linear.parameters())
-            out.backward()
+            loss.backward()
             adam.step()
             adam.clear_grad()
 
@@ -114,7 +114,7 @@ class Optimizer(object):
                     'learning_rate': 0.1
                 }],
                 weight_decay=0.01)                   
-            out.backward()
+            loss.backward()
             sgd.step()
             sgd.clear_grad()
 
@@ -1153,7 +1153,7 @@ class Optimizer(object):
                 adam = paddle.optimizer.Adam(learning_rate=0.1,
                         parameters=linear.parameters(),
                         weight_decay=0.01)
-                out.backward()
+                loss.backward()
                 adam.minimize(loss)
                 adam.clear_grad()
 
-- 
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