Fix get_phase_stage

Author: xtao

lain_cli/utils.py

@@ -85,10 +85,10 @@ def get_domain(phase):
 def get_phase_stage(phase):
     stage = user_config.get_config().get(phase, {}).get(STAGE_KEY, None)
     if not stage:
-        error('please set %s domain by "lain config save %s %s ${%s_domain}"'
+        error('please set %s domain by "lain config save %s %s ${%s_stage}"'
               % (phase, phase, STAGE_KEY, phase))
         exit(1)
-    return domain
+    return stage
 
 
 def get_apptype(stage=None):