diff --git a/src/hooks/Rule/KeysInRule.ts b/src/hooks/Rule/KeysInRule.ts
index 2e096318a..3b9078b7e 100644
--- a/src/hooks/Rule/KeysInRule.ts
+++ b/src/hooks/Rule/KeysInRule.ts
@@ -2,7 +2,7 @@ import RuleFunc from './RuleFunc.json'
 import RuleField from './RuleField.json'
 
 const funcList = RuleFunc.reduce((arr: Array<string>, { list }): Array<string> => {
-  list.forEach(({ name }: { name: string }) => arr.push(name))
+  list?.forEach(({ name }: { name: string }) => arr.push(name))
   return arr
 }, [])
 
diff --git a/src/hooks/Rule/RuleFunc.json b/src/hooks/Rule/RuleFunc.json
index 961046de9..5fde129ed 100644
--- a/src/hooks/Rule/RuleFunc.json
+++ b/src/hooks/Rule/RuleFunc.json
@@ -1087,6 +1087,26 @@
             "required": true
           }
         ]
+      },
+      {
+        "name": "str_utf16_le",
+        "args": [
+          {
+            "name": "Data",
+            "type": "string",
+            "required": true
+          }
+        ]
+      },
+      {
+        "name": "sqlserver_bin2hexstr",
+        "args": [
+          {
+            "name": "Data",
+            "type": "string",
+            "required": true
+          }
+        ]
       }
     ]
   },
diff --git a/src/hooks/Rule/bridge/useComponentsHandlers.ts b/src/hooks/Rule/bridge/useComponentsHandlers.ts
index 79a070b1b..9be62d6b9 100644
--- a/src/hooks/Rule/bridge/useComponentsHandlers.ts
+++ b/src/hooks/Rule/bridge/useComponentsHandlers.ts
@@ -81,6 +81,7 @@ export default (
       } else if (prop.type === 'boolean' && prop.is_template) {
         prop.type = 'enum'
         prop.symbols = [true, false]
+        prop.default ??= ''
       } else if (prop.type === 'object' && !prop.properties && prop.is_template) {
         setComponentProps(prop, { supportPlaceholder: ['key', 'value'] })
       }
diff --git a/src/i18n/RuleSyntax.js b/src/i18n/RuleSyntax.js
index bf93aea7b..06f1741c8 100644
--- a/src/i18n/RuleSyntax.js
+++ b/src/i18n/RuleSyntax.js
@@ -1188,4 +1188,28 @@ Typical JQ programs describe simple transformations or filters for JSON data, bu
     zh: 'Map 的大小',
     en: 'The size of the map',
   },
+  strUtf16LeDesc: {
+    zh: '将 UTF-8 字符串转换为 UTF-16 小端序编码',
+    en: 'Convert a UTF-8 string to UTF-16 little-endian'
+  },
+  strUtf16LeParams: {
+    zh: '要转换的字符串',
+    en: 'String to convert'
+  },
+  strUtf16LeReturns: {
+    zh: 'UTF-16 小端序编码的字符串',
+    en: 'UTF-16 little-endian encoded string'
+  },
+  sqlserverBin2HexstrDesc: {
+    zh: '将字符串或二进制转换为 SQL Server 十六进制格式（带 0x 前缀）',
+    en: 'Convert string or binary to SQL Server hex format with 0x prefix'
+  },
+  sqlserverBin2HexstrParams: {
+    zh: '要转换的数据',
+    en: 'Data to convert'
+  },
+  sqlserverBin2HexstrReturns: {
+    zh: 'SQL Server 格式的十六进制字符串',
+    en: 'Hex string in SQL Server format'
+  }
 }