diff --git a/01-TestCase/tsg_bfapi/Filter/file_size.robot b/01-TestCase/tsg_bfapi/Filter/file_size.robot
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+++ b/01-TestCase/tsg_bfapi/Filter/file_size.robot
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+*** Settings ***
+Resource          ../../02-Keyword/tsg_bfapi/PolicyObject.robot
+Resource          ../../02-Keyword/tsg_bfapi/Filter.robot
+
+*** Test Cases ***
+File_size-1
+    [Tags]    正向
+    Filter    file_size    jwc-1    10    12
+
+File_size-2
+    [Tags]    最大值
+    Filter    file_size    jwc-2    0    2147483647
+
+File_size-3
+    [Tags]    超过最大值
+    Filter    file_size    jwc-3    0    2147483648
+
+File_size-4
+    [Tags]    小于最小值
+    Filter    file_size    jwc-4    -1    2147483647
+
+File_size-5
+    [Tags]    下界大于上界
+    Filter    file_size    jwc-4    100    99