diff --git a/01-TestCase/tsg_bfapi/ipandstringtest/ipandstring.robot b/01-TestCase/tsg_bfapi/ipandstringtest/ipandstring.robot
new file mode 100644
index 0000000..63c2381
--- /dev/null
+++ b/01-TestCase/tsg_bfapi/ipandstringtest/ipandstring.robot
@@ -0,0 +1,14 @@
+*** Settings ***
+Library       ipandstring
+
+
+*** Test Cases ***
+Step1: test_sum_2
+    # iPv4 需要三个参数  分别表ip的前三位 ，-1代表不指定
+    ${ret}   ipv4    -1   -1  -1
+    Log To Console     ${ret}
+    ${sds}   ipv6
+    Log To Console     ${sds}
+    #参数代表生成多长字符串
+    ${asa}   getstring     4
+    Log To Console   ${asa}
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