diff --git a/packages/core/src/i18n.ts b/packages/core/src/i18n.ts
index 51521d8942..09bad4e1ca 100644
--- a/packages/core/src/i18n.ts
+++ b/packages/core/src/i18n.ts
@@ -106,12 +106,13 @@ export class I18n {
   define(locale: string, dict: I18n.Store): () => void
   define(locale: string, key: string, value: I18n.Node): () => void
   define(locale: string, ...args: [I18n.Store] | [string, I18n.Node]) {
+    const caller = this[Context.current] || this.ctx
     const dict = this._data[locale] ||= {}
     const paths = [...typeof args[0] === 'string'
       ? this.set(locale, args[0] + '.', args[1])
       : this.set(locale, '', args[0])]
     this.ctx.emit('internal/i18n')
-    return this[Context.current]?.collect('i18n', () => {
+    return caller.collect('i18n', () => {
       for (const path of paths) {
         delete dict[path]
       }
diff --git a/packages/core/src/schema.ts b/packages/core/src/schema.ts
index a3be578f2a..f1446ce43d 100644
--- a/packages/core/src/schema.ts
+++ b/packages/core/src/schema.ts
@@ -61,6 +61,7 @@ export class SchemaService {
   constructor(public ctx: Context) {}
 
   extend(name: string, schema: Schema, order = 0) {
+    const caller = this[Context.current]
     const target = this.get(name)
     const index = target.list.findIndex(a => a[kSchemaOrder] < order)
     schema[kSchemaOrder] = order
@@ -70,7 +71,7 @@ export class SchemaService {
       target.list.push(schema)
     }
     this.ctx.emit('internal/schema', name)
-    this[Context.current]?.on('dispose', () => {
+    caller?.on('dispose', () => {
       remove(target.list, schema)
       this.ctx.emit('internal/schema', name)
     })
@@ -81,9 +82,10 @@ export class SchemaService {
   }
 
   set(name: string, schema: Schema) {
+    const caller = this[Context.current]
     this._data[name] = schema
     this.ctx.emit('internal/schema', name)
-    this[Context.current]?.on('dispose', () => {
+    caller?.on('dispose', () => {
       delete this._data[name]
       this.ctx.emit('internal/schema', name)
     })