diff --git a/DrissionPage/chromium_element.py b/DrissionPage/chromium_element.py
index ded40fb..50e2981 100644
--- a/DrissionPage/chromium_element.py
+++ b/DrissionPage/chromium_element.py
@@ -406,12 +406,7 @@ class ChromiumElement(DrissionElement):
         :param timeout: 等待资源加载的超时时间
         :return: 资源内容
         """
-        src = self.prop('currentSrc')
-        if not src:
-            return None
-
         timeout = self.page.timeout if timeout is None else timeout
-
         if self.tag == 'img':  # 等待图片加载完成
             js = ('return this.complete && typeof this.naturalWidth != "undefined" '
                   '&& this.naturalWidth > 0 && typeof this.naturalHeight != "undefined" '
@@ -420,19 +415,22 @@ class ChromiumElement(DrissionElement):
             while not self.run_js(js) and perf_counter() < end_time:
                 sleep(.1)
 
-        node = self.page.run_cdp('DOM.describeNode', backendNodeId=self._backend_id)['node']
-        frame = node.get('frameId', None)
-        frame = frame or self.page.tab_id
-
         result = None
         end_time = perf_counter() + timeout
         while perf_counter() < end_time:
+            src = self.prop('currentSrc')
+            if not src:
+                continue
+
+            node = self.page.run_cdp('DOM.describeNode', backendNodeId=self._backend_id)['node']
+            frame = node.get('frameId', None)
+            frame = frame or self.page.tab_id
+
             try:
                 result = self.page.run_cdp('Page.getResourceContent', frameId=frame, url=src)
                 break
             except CallMethodError:
-                pass
-            sleep(.1)
+                sleep(.1)
 
         if not result:
             return None
diff --git a/DrissionPage/chromium_page.py b/DrissionPage/chromium_page.py
index 7d83300..2d0b939 100644
--- a/DrissionPage/chromium_page.py
+++ b/DrissionPage/chromium_page.py
@@ -193,12 +193,12 @@ class ChromiumPage(ChromiumBase):
         """新建一个标签页,该标签页在最后面
         :param url: 新标签页跳转到的网址
         :param switch_to: 新建标签页后是否把焦点移过去
-        :return: None
+        :return: 新标签页的id
         """
         if switch_to:
             begin_tabs = set(self.tabs)
             len_tabs = len(begin_tabs)
-            self.run_cdp('Target.createTarget', url='')
+            tid = self.run_cdp('Target.createTarget', url='')['targetId']
 
             tabs = self.tabs
             while len(tabs) == len_tabs:
@@ -211,10 +211,12 @@ class ChromiumPage(ChromiumBase):
                 self.get(url)
 
         elif url:
-            self.run_cdp('Target.createTarget', url=url)
+            tid = self.run_cdp('Target.createTarget', url=url)['targetId']
 
         else:
-            self.run_cdp('Target.createTarget', url='')
+            tid = self.run_cdp('Target.createTarget', url='')['targetId']
+
+        return tid
 
     def to_main_tab(self):
         """跳转到主标签页"""
diff --git a/DrissionPage/chromium_page.pyi b/DrissionPage/chromium_page.pyi
index 338fbaa..c63ce2e 100644
--- a/DrissionPage/chromium_page.pyi
+++ b/DrissionPage/chromium_page.pyi
@@ -81,7 +81,7 @@ class ChromiumPage(ChromiumBase):
 
     def get_tab(self, tab_id: str = None) -> ChromiumTab: ...
 
-    def new_tab(self, url: str = None, switch_to: bool = True) -> None: ...
+    def new_tab(self, url: str = None, switch_to: bool = True) -> str: ...
 
     def to_main_tab(self) -> None: ...