diff --git a/platformapi/platformapi.go b/platformapi/platformapi.go
index e305d9d5..d6dbbf0e 100644
--- a/platformapi/platformapi.go
+++ b/platformapi/platformapi.go
@@ -63,7 +63,7 @@ const (
 )
 
 const (
-	maxDataSizeDontOutput = 50 * 1024
+	maxDataSizeDontOutput = 200 * 1024
 )
 
 // common api access error
diff --git a/utils/utils_type.go b/utils/utils_type.go
index 1e9e7f91..8f74479f 100644
--- a/utils/utils_type.go
+++ b/utils/utils_type.go
@@ -57,13 +57,18 @@ func Pointer2Float64(ptr *float64) (value float64) {
 	return value
 }
 
-func Time2Pointer(value time.Time) *time.Time {
-	return &value
+func Time2Pointer(value time.Time) (valuePtr *time.Time) {
+	if !IsTimeZero(value) {
+		valuePtr = &value
+	}
+	return valuePtr
 }
 
 func Pointer2Time(ptr *time.Time) (value time.Time) {
 	if ptr != nil {
 		value = *ptr
+	} else {
+		value = DefaultTimeValue
 	}
 	return value
 }