update application.yaml, test=doc

paddlespeech/server/conf/application.yaml

@@ -9,6 +9,12 @@ port: 8090
 ##################################################################
 #                     CONFIG FILE                                #
 ##################################################################
+# add engine backend type (Options: asr, tts) and config file here.
+# Adding a speech task to engine_backend means starting the service.
+engine_backend:
+    asr: 'conf/asr/asr.yaml'
+    tts: 'conf/tts/tts.yaml'
+
 # The engine_type of speech task needs to keep the same type as the config file of speech task.
 # E.g: The engine_type of asr is 'python', the engine_backend of asr is 'XX/asr.yaml'
 # E.g: The engine_type of asr is 'inference', the engine_backend of asr is 'XX/asr_pd.yaml'
@@ -18,8 +24,4 @@ engine_type:
     asr: 'python'
     tts: 'python'
 
-# add engine backend type (Options: asr, tts) and config file here.
-# Adding a speech task to engine_backend means starting the service.
-engine_backend:
-    asr: 'conf/asr/asr.yaml'
-    tts: 'conf/tts/tts.yaml'
+