diff --git a/02-Keyword/tsg_bfapi/policy_object/Log.robot b/02-Keyword/tsg_bfapi/policy_object/Log.robot
index 4b64634..2bb259c 100644
--- a/02-Keyword/tsg_bfapi/policy_object/Log.robot
+++ b/02-Keyword/tsg_bfapi/policy_object/Log.robot
@@ -8,6 +8,9 @@ Resource          ../../../02-Keyword/tsg_bfapi/policy_file_interface/Functional
 Resource          ../Common.robot
 *** Variables ***
 ${logUrl}            /log
+${arraySplitor}    ,
+${itemSplitor}    |
+${valueSplitor}    ^
 *** Keywords ***
 GetLogSchema
     [Documentation]
@@ -86,9 +89,9 @@ QueryLogs
     ...    处理 order by
     [Arguments]    ${orderBy}
     ${orderByList}    Create List
-    @{orderByArr}    Split String    ${orderBy}    ,
+    @{orderByArr}    Split String    ${orderBy}    ${arraySplitor}
     FOR    ${order}    IN    @{orderByArr}
-        @{orderByArr}    Split String    ${order}    |
+        @{orderByArr}    Split String    ${order}    ${itemSplitor}
         ${dict}    Create Dictionary    field=${orderByArr}[0]    asc=${orderByArr}[1]
         Append To List    ${orderByList}    ${dict}
     END
@@ -98,9 +101,9 @@ QueryLogs
     ...    处理fields
     [Arguments]    ${fields}
     ${fieldsList}    Create List
-    @{fieldsArr}    Split String    ${fields}    ,
+    @{fieldsArr}    Split String    ${fields}    ${arraySplitor}
     FOR    ${field}    IN    @{fieldsArr}
-        @{fieldArr}    Split String    ${field}    |
+        @{fieldArr}    Split String    ${field}    ${itemSplitor}
         ${dict}    Create Dictionary    name=${fieldArr}[0]    type=${fieldArr}[1]
         ${len}    Get Length    ${fieldArr}
         # batch时有lang字段
@@ -113,10 +116,10 @@ QueryLogs
     ...    处理conditions
     [Arguments]    ${conditions}
     ${conditionsList}    Create List
-    @{conditionsArr}    Split String    ${conditions}    ,
+    @{conditionsArr}    Split String    ${conditions}    ${arraySplitor}
     FOR    ${condition}    IN    @{conditionsArr}
-        @{conditionArr}    Split String    ${condition}    |
-        @{value}    Split String    ${conditionArr}[3]    ^
+        @{conditionArr}    Split String    ${condition}    ${itemSplitor}
+        @{value}    Split String    ${conditionArr}[3]    ${valueSplitor}
         ${type}    Set Variable    ${conditionArr}[1]
         ${value}    Run Keyword If    "${type}"=="int" or "${type}"=="long"    toDigitList   ${value}     ${type}
         ...    ELSE    Set Variable   ${value}