diff --git a/core/test.go b/core/test.go
index 2181073..a096440 100644
--- a/core/test.go
+++ b/core/test.go
@@ -6,26 +6,40 @@ import (
 	"github.com/cdle/sillyGirl/im"
 )
 
+var Buckets []Bucket
+
 func init() {
 	AddCommand("", []Function{
 		{
 			Rules: []string{"set ? ? ?"},
 			Handle: func(s im.Sender) interface{} {
-				Bucket(s.Get(0)).Set(s.Get(1), s.Get(2))
+				b := Bucket(s.Get(0))
+				if !IsBucket(b) {
+					return errors.New("不存在的存储桶")
+				}
+				b.Set(s.Get(1), s.Get(2))
 				return "设置成功"
 			},
 		},
 		{
 			Rules: []string{"delete ? ?"},
 			Handle: func(s im.Sender) interface{} {
-				Bucket(s.Get(0)).Set(s.Get(1), "")
+				b := Bucket(s.Get(0))
+				if !IsBucket(b) {
+					return errors.New("不存在的存储桶")
+				}
+				b.Set(s.Get(1), "")
 				return "删除成功"
 			},
 		},
 		{
 			Rules: []string{"get ? ? ?"},
 			Handle: func(s im.Sender) interface{} {
-				v := Bucket(s.Get(0)).Get(s.Get(1))
+				b := Bucket(s.Get(0))
+				if !IsBucket(b) {
+					return errors.New("不存在的存储桶")
+				}
+				v := b.Get(s.Get(1))
 				if v == "" {
 					return errors.New("空值")
 				}
@@ -34,3 +48,12 @@ func init() {
 		},
 	})
 }
+
+func IsBucket(b Bucket) bool {
+	for i := range Buckets {
+		if Buckets[i] == b {
+			return true
+		}
+	}
+	return false
+}