diff --git a/leetcode/0014.Longest-Common-Prefix/14.Longest Common Prefix_test.go b/leetcode/0014.Longest-Common-Prefix/14.Longest Common Prefix_test.go
new file mode 100644
index 00000000..1ae53d06
--- /dev/null
+++ b/leetcode/0014.Longest-Common-Prefix/14.Longest Common Prefix_test.go	
@@ -0,0 +1,45 @@
+package leetcode
+
+import (
+	"fmt"
+	"testing"
+)
+
+type question14 struct {
+	para14
+	ans14
+}
+
+// para 是参数
+type para14 struct {
+	strs []string
+}
+
+// ans 是答案
+type ans14 struct {
+	ans string
+}
+
+func Test_Problem14(t *testing.T) {
+
+	qs := []question14{
+
+		{
+			para14{[]string{"flower", "flow", "flight"}},
+			ans14{"fl"},
+		},
+
+		{
+			para14{[]string{"dog", "racecar", "car"}},
+			ans14{""},
+		},
+	}
+
+	fmt.Printf("------------------------Leetcode Problem 14------------------------\n")
+
+	for _, q := range qs {
+		_, p := q.ans14, q.para14
+		fmt.Printf("【input】:%v    【output】:%v\n", p.strs, longestCommonPrefix(p.strs))
+	}
+	fmt.Printf("\n\n\n")
+}