diff --git a/dabo/analyze.sh b/dabo/analyze.sh
index bdd0ec9..c1c0e4c 100755
--- a/dabo/analyze.sh
+++ b/dabo/analyze.sh
@@ -100,8 +100,8 @@ function analyze {
     f_market_performance_before=${f_market_performance}
     g_num_valid_number "${f_market_performance}" >/dev/null 2>&1 || f_market_performance=0
 
-    f_verbose=">>${g_tmp}/output-${tmpfile}"
-    [ "${ANALYZE_VERBOSE}" -eq "0" ] && f_verbose="| tee -a ${g_tmp}/output-${tmpfile}"
+    f_verbose=">>${g_tmp}/output-${tmpfile} 2>/dev/null"
+    [ "${ANALYZE_VERBOSE}" -eq "1" ] && f_verbose="| tee -a ${g_tmp}/output-${tmpfile}"
     if [ -n "${f_open_trade}" ]
     then
 #      if [ "${ANALYZE_VERBOSE}" -eq "0" ]