fix test=develop

doc/fluid/api/optimizer.rst

@@ -10,8 +10,8 @@ paddle.optimizer
     optimizer/Adagrad.rst
     optimizer/AdagradOptimizer.rst
     optimizer/Adam.rst
-    optimizer/AdamW.rst
     optimizer/Adamax.rst
+    optimizer/AdamW.rst
     optimizer/AdamaxOptimizer.rst
     optimizer/AdamOptimizer.rst
     optimizer/DecayedAdagrad.rst

doc/fluid/api/optimizer/AdamW.rst

 ..  THIS FILE IS GENERATED BY `gen_doc.{py|sh}`
     !DO NOT EDIT THIS FILE MANUALLY!
 
-.. _api_fluid_optimizer_AdadeltaOptimizer:
+.. _api_fluid_optimizer_AdamW:
 
-AdadeltaOptimizer
+AdamWOptimizer
 -----------------
 
 ..  autoclass:: paddle.fluid.optimizer.AdamW