diff --git a/cccli/cli.py b/cccli/cli.py
index 4f382e9ec7ef0b34ea9b7ba50b0a19f7674cdc53..124feaf56e317477c8ef908be8f6ef5e4ae04768 100644
--- a/cccli/cli.py
+++ b/cccli/cli.py
@@ -84,7 +84,7 @@ class Cli(object):
     def _parse(self):
         '''Parse a line'''
         if self.interactive:
-            prompt = "%s%s>%s "%(color["lwhite"],self.settings["login"],color["reset"])
+            prompt = "\001%s\002%s>\001%s\002 "%(color["light"],self.settings["login"],color["reset"])
         else:
             prompt = ""
         while True:
diff --git a/cccli/command.py b/cccli/command.py
index f89e30c64606dac3accb0f7753bcf02bf3a69c0f..3aa9fed477926e712419375b93390e4a08233919 100644
--- a/cccli/command.py
+++ b/cccli/command.py
@@ -176,6 +176,8 @@ class Command(object):
             objs = self.cli.rpc.list(str.join("", argv[1:]))
         except RpcError as e:
             raise cmdError("RPCError: %s"%str(e))
+        if len(objs) == 0:
+            return
         # get all tag list
         tags = dict()
         for o in objs:
diff --git a/cccli/printer.py b/cccli/printer.py
index 6a1f00491fb283ae94e92e5e4bb735adc34f8d6a..6bd75d940343e5b4a0c6c0cd3f517713a84a4d92 100644
--- a/cccli/printer.py
+++ b/cccli/printer.py
@@ -14,30 +14,31 @@ from cccli.exception import *
 
 color = {
     # regular
-    "red": "\001\033[0;31m\002",
-    "green": "\001\033[0;32m\002",
-    "yellow": "\001\033[0;33m\002",
-    "blue": "\001\033[0;34m\002",
-    "purple": "\001\033[0;35m\002",
-    "cyan": "\001\033[0;36m\002",
-    "white": "\001\033[0;37m\002",
+    "red": "\033[0;31m",
+    "green": "\033[0;32m",
+    "yellow": "\033[0;33m",
+    "blue": "\033[0;34m",
+    "purple": "\033[0;35m",
+    "cyan": "\033[0;36m",
+    "white": "\033[0;37m",
     # lighted
-    "lred": "\001\033[1;31m",
-    "lgreen": "\001\033[1;32m\002",
-    "lyellow": "\001\033[1;33m\002",
-    "lblue": "\001\033[1;34m\002",
-    "lpurple": "\001\033[1;35m\002",
-    "lcyan": "\001\033[1;36m\002",
-    "lwhite": "\001\033[1;37m\002",
+    "lred": "\033[1;31m",
+    "lgreen": "\033[1;32m",
+    "lyellow": "\033[1;33m",
+    "lblue": "\033[1;34m",
+    "lpurple": "\033[1;35m",
+    "lcyan": "\033[1;36m",
+    "lwhite": "\033[1;37m",
     # underline
-    "ured": "\001\033[4;31m\002",
-    "ugreen": "\001\033[4;32m\002",
-    "uyellow": "\001\033[4;33m\002",
-    "ublue": "\001\033[4;34m\002",
-    "upurple": "\001\033[4;35m\002",
-    "ucyan": "\001\033[4;36m\002",
+    "ured": "\033[4;31m",
+    "ugreen": "\033[4;32m",
+    "uyellow": "\033[4;33m",
+    "ublue": "\033[4;34m",
+    "upurple": "\033[4;35m",
+    "ucyan": "\033[4;36m",
     # others
-    "reset": "\001\033[m\002",
+    "light": "\033[1m",
+    "reset": "\033[m",
     }