diff --git a/interfaces/inner_api/auto_fill_manager/include/auto_fill_error.h b/interfaces/inner_api/auto_fill_manager/include/auto_fill_error.h
index 7cc4d9a31bf219cd420f54d037e9a2c0d4fb40cf..f1fee3328155145131688cc989bced1b2a18bc05 100644
--- a/interfaces/inner_api/auto_fill_manager/include/auto_fill_error.h
+++ b/interfaces/inner_api/auto_fill_manager/include/auto_fill_error.h
@@ -29,7 +29,8 @@ enum {
     AUTO_FILL_OBJECT_IS_NULL,
     AUTO_FILL_CREATE_MODULE_UI_EXTENSION_FAILED,
     AUTO_FILL_REQUEST_TIME_OUT,
-    AUTO_FILL_TYPE_INVALID
+    AUTO_FILL_TYPE_INVALID,
+    AUTO_FILL_PREVIOUS_REQUEST_NOT_FINISHED
 };
 } // namespace AutoFill
 } // namespace AbilityRuntime
diff --git a/interfaces/inner_api/auto_fill_manager/include/auto_fill_extension_callback.h b/interfaces/inner_api/auto_fill_manager/include/auto_fill_extension_callback.h
index b6c9f7ea971a1fe833421792112be759aabfa31f..3c849a601aa08b218d182817327b083c95441385 100644
--- a/interfaces/inner_api/auto_fill_manager/include/auto_fill_extension_callback.h
+++ b/interfaces/inner_api/auto_fill_manager/include/auto_fill_extension_callback.h
@@ -47,6 +47,7 @@ public:
 
     void SetSessionId(int32_t sessionId);
     void SetUIContent(Ace::UIContent *uiContent);
+    Ace::UIContent *GetUIContent();
     void SetEventId(uint32_t eventId);
     void SetWindowType(const AutoFill::AutoFillWindowType &autoFillWindowType);
     void SetExtensionType(bool isSmartAutoFill);
diff --git a/interfaces/inner_api/auto_fill_manager/include/auto_fill_manager.h b/interfaces/inner_api/auto_fill_manager/include/auto_fill_manager.h
index 7547a53759da92d358e1334a1301860a109d17d1..134bf2089d27d39664f886acdc4895b6f1a65852 100644
--- a/interfaces/inner_api/auto_fill_manager/include/auto_fill_manager.h
+++ b/interfaces/inner_api/auto_fill_manager/include/auto_fill_manager.h
@@ -106,6 +106,7 @@ private:
     void SetTimeOutEvent(uint32_t eventId);
     AutoFill::AutoFillWindowType ConvertAutoFillWindowType(const AutoFill::AutoFillRequest &request,
         bool &isSmartAutoFill);
+    bool IsPreviousRequestFinished(Ace::UIContent *uiContent);
 
     std::mutex extensionCallbacksMutex_;
     std::mutex modalProxyMapMutex_;
diff --git a/interfaces/inner_api/auto_fill_manager/src/auto_fill_extension_callback.cpp b/interfaces/inner_api/auto_fill_manager/src/auto_fill_extension_callback.cpp
index b2b8820b409b22745fbc66db2c19d04283da3e7d..eedcc1a0db1633092fc59f1d89131f0aaa829673 100644
--- a/interfaces/inner_api/auto_fill_manager/src/auto_fill_extension_callback.cpp
+++ b/interfaces/inner_api/auto_fill_manager/src/auto_fill_extension_callback.cpp
@@ -198,6 +198,11 @@ void AutoFillExtensionCallback::SetUIContent(Ace::UIContent *uiContent)
     uiContent_ = uiContent;
 }
 
+Ace::UIContent *AutoFillExtensionCallback::GetUIContent()
+{
+    return uiContent_;
+}
+
 void AutoFillExtensionCallback::SetEventId(uint32_t eventId)
 {
     eventId_ = eventId;
diff --git a/interfaces/inner_api/auto_fill_manager/src/auto_fill_manager.cpp b/interfaces/inner_api/auto_fill_manager/src/auto_fill_manager.cpp
index e3be0d5374dc36213a33e93ee43a9f8a24f7bbff..0d9f9100f75bb8fb7f18b680236f55fcbdaf9991 100644
--- a/interfaces/inner_api/auto_fill_manager/src/auto_fill_manager.cpp
+++ b/interfaces/inner_api/auto_fill_manager/src/auto_fill_manager.cpp
@@ -96,6 +96,10 @@ int32_t AutoFillManager::HandleRequestExecuteInner(
         TAG_LOGE(AAFwkTag::AUTOFILLMGR, "UIContent or fillCallback&saveCallback is nullptr.");
         return AutoFill::AUTO_FILL_OBJECT_IS_NULL;
     }
+    if (!IsPreviousRequestFinished(uiContent)) {
+        TAG_LOGE(AAFwkTag::AUTOFILLMGR, "Previous request is not finished.");
+        return AutoFill::AUTO_FILL_PREVIOUS_REQUEST_NOT_FINISHED;
+    }
     {
         std::lock_guard<std::mutex> lock(extensionCallbacksMutex_);
         SetTimeOutEvent(++eventId_);
@@ -371,5 +375,20 @@ void AutoFillManager::HandleTimeOut(uint32_t eventId)
     extensionCallback->HandleTimeOut();
     extensionCallbacks_.erase(ret);
 }
+
+bool AutoFillManager::IsPreviousRequestFinished(Ace::UIContent *uiContent)
+{
+    std::lock_guard<std::mutex> lock(extensionCallbacksMutex_);
+    for (auto& item: extensionCallbacks_) {
+        auto extensionCallback = item.second.lock();
+        if (extensionCallback == nullptr) {
+            continue;
+        }
+        if (extensionCallback->GetUIContent() == uiContent) {
+            return false;
+        }
+    }
+    return true;
+}
 } // namespace AbilityRuntime
 } // namespace OHOS