diff --git a/vscode/src/codeReader/rules/contractOnly.test.ts b/vscode/src/codeReader/rules/contractOnly.test.ts
index 40e5657..69d71b8 100644
--- a/vscode/src/codeReader/rules/contractOnly.test.ts
+++ b/vscode/src/codeReader/rules/contractOnly.test.ts
@@ -12,7 +12,7 @@ describe('库规则只经 contract 拿信息', () => {
   const files = readdirSync(__dirname).filter(file => file.endsWith('.ts') && !file.endsWith('.test.ts'))
 
   it('目录里有规则', () => {
-    expect(files).toEqual(expect.arrayContaining(['sqlalchemy.ts', 'celery.ts', 'enum.ts', 'dataclass.ts', 'fastapi.ts']))
+    expect(files).toEqual(expect.arrayContaining(['sqlalchemy.ts', 'celery.ts', 'enum.ts', 'dataclass.ts', 'pydantic.ts', 'fastapi.ts']))
   })
 
   it.each(files)('%s 不 import 语言插件、翻译插件和宿主', (file) => {
diff --git a/vscode/src/codeReader/rules/pydantic.ts b/vscode/src/codeReader/rules/pydantic.ts
index 9f9ff59..3a408c3 100644
--- a/vscode/src/codeReader/rules/pydantic.ts
+++ b/vscode/src/codeReader/rules/pydantic.ts
@@ -1,6 +1,5 @@
 import type { Access, ClassBlock, CodeBlock, ImportFacts, IndexEntry, Inline, KindIconName, LibraryRule, Node, PropertyItem, PropertyRow, RuleCard, RuleContext, ThemeColor, WorkspaceIndex } from '../contract'
 import type { Call, LibraryNames } from './pythonTree'
-import { fromLibrary } from '../libraryRules'
 import { annotatedAssignments, memberDocs, withLeadingComments } from './children'
 import { aliasesOf, callOf, canonicalName, genericOf, libraryName, libraryNames, stringValue, syntaxChildren, unwrapType } from './pythonTree'
 import { hint, joined, name, plain, range, word } from './segments'
@@ -98,11 +97,16 @@ interface Field {
   value?: Node
 }
 
+/** 模块名是 pydantic，或是它的子模块（`pydantic.main`）。 */
+function fromPydantic(module: string): boolean {
+  return module === LIBRARY || module.startsWith(`${LIBRARY}.`) || module.startsWith(`${LIBRARY}/`)
+}
+
 /** pydantic 以及它的子模块（`pydantic.main`）里导入的名字。 */
 function pydanticNames(imports: readonly ImportFacts[]): LibraryNames {
   const names = libraryNames(imports, LIBRARY)
   for (const facts of imports) {
-    if (!facts.sources.some(source => fromLibrary(source.text, LIBRARY) && source.text !== LIBRARY))
+    if (!facts.sources.some(source => fromPydantic(source.text) && source.text !== LIBRARY))
       continue
     for (const item of facts.items) {
       if (item.kind === 'named')
@@ -159,14 +163,14 @@ function namesInSource(root: Node): LibraryNames {
       for (const item of statement.childrenForFieldName('name')) {
         const original = item.type === 'aliased_import' ? item.childForFieldName('name') : item
         const alias = item.type === 'aliased_import' ? item.childForFieldName('alias') : null
-        if (original && fromLibrary(original.text, LIBRARY))
+        if (original && fromPydantic(original.text))
           names.modules.add(alias?.text ?? original.text)
       }
     }
     if (statement.type !== 'import_from_statement')
       continue
     const module = statement.childForFieldName('module_name')
-    if (!module || !fromLibrary(module.text, LIBRARY))
+    if (!module || !fromPydantic(module.text))
       continue
     for (const item of statement.childrenForFieldName('name')) {
       const original = item.type === 'aliased_import' ? item.childForFieldName('name') : item