diff --git a/src/bos/object.ts b/src/bos/object.ts
index 273bfb1..7b50a2b 100644
--- a/src/bos/object.ts
+++ b/src/bos/object.ts
@@ -1,6 +1,7 @@
 import fs from 'node:fs';
 import {Readable} from 'node:stream';
 import {Http} from '../shared/index.js';
+import {normalizeUrl} from '../utils/string.js';
 
 export interface PutObjectOptions {
     headers?: Record<string, string>;
@@ -14,7 +15,7 @@ export class BosObjectClient {
 
     constructor(http: Http, objectKey: string) {
         this.http = http;
-        this.objectKey = objectKey;
+        this.objectKey = normalizeUrl(objectKey, false);
     }
 
     async get() {
diff --git a/src/utils/string.ts b/src/utils/string.ts
new file mode 100644
index 0000000..7f8d3b2
--- /dev/null
+++ b/src/utils/string.ts
@@ -0,0 +1,13 @@
+const URL_ESCAPE: Record<string, string> = {
+    '!': '%21',
+    '\'': '%27',
+    '(': '%28',
+    ')': '%29',
+    '*': '%2A',
+};
+
+export const normalizeUrl = (value: string, encodeSlash = true) => {
+    const parts = value.split('/');
+    const normalized = parts.map(v => v.replace(/[!'()*]/g, c => URL_ESCAPE[c]));
+    return normalized.join(encodeSlash ? '%2F' : '/');
+};