diff --git a/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java b/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
index b34cfe249c4a6..249a554571f13 100644
--- a/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
+++ b/iotdb-client/cli/src/main/java/org/apache/iotdb/cli/Cli.java
@@ -91,10 +91,11 @@ public static void runCli(CliContext ctx, String[] args)
       port = checkRequiredArg(ctx, PORT_ARGS, PORT_NAME, commandLine, false, port);
       username = checkRequiredArg(ctx, USERNAME_ARGS, USERNAME_NAME, commandLine, true, null);
     } catch (ArgsErrorException e) {
-      ctx.getPrinter().println(IOTDB_ERROR_PREFIX + "Input params error because" + e.getMessage());
+      ctx.getPrinter()
+          .println(IOTDB_ERROR_PREFIX + ": Input params error because " + e.getMessage());
       ctx.exit(CODE_ERROR);
     } catch (Exception e) {
-      ctx.getPrinter().println(IOTDB_ERROR_PREFIX + "Exit cli with error " + e.getMessage());
+      ctx.getPrinter().println(IOTDB_ERROR_PREFIX + ": Exit cli with error: " + e.getMessage());
       ctx.exit(CODE_ERROR);
     }
     LineReader lineReader = JlineUtils.getLineReader(ctx, username, host, port);
@@ -189,7 +190,8 @@ private static void executeSql(CliContext ctx) throws TException {
       processCommand(ctx, execute, connection);
       ctx.exit(lastProcessStatus);
     } catch (SQLException e) {
-      ctx.getPrinter().println(IOTDB_ERROR_PREFIX + "Can't execute sql because" + e.getMessage());
+      ctx.getPrinter()
+          .println(IOTDB_ERROR_PREFIX + ": Can't execute sql because " + e.getMessage());
       ctx.exit(CODE_ERROR);
     }
   }