diff --git a/frontend/composables/useApi.js b/frontend/composables/useApi.js
index a5be2d2..acdc57e 100644
--- a/frontend/composables/useApi.js
+++ b/frontend/composables/useApi.js
@@ -575,8 +575,12 @@ export const useApi = () => {
   }
 
   // 获取图片密钥
-  const getImageKey = async () => {
-    return await request('/get_image_key')
+  const getImageKey = async (params = {}) => {
+    const query = new URLSearchParams()
+    if (params && params.account) query.set('account', params.account)
+    const url = '/get_image_key' + (query.toString() ? `?${query.toString()}` : '')
+
+    return await request(url)
   }
 
   // 枚举服务号信息
diff --git a/frontend/pages/decrypt.vue b/frontend/pages/decrypt.vue
index 479bc39..3b6cdf2 100644
--- a/frontend/pages/decrypt.vue
+++ b/frontend/pages/decrypt.vue
@@ -542,7 +542,7 @@ const handleGetDbKey = async () => {
     const wxStatus = statusRes?.wx_status
 
     if (wxStatus?.is_running) {
-      warning.value = '检测到微信正在运行，5秒后将终止进程并重启以获取全套密钥！'
+      warning.value = '检测到微信正在运行，5秒后将终止进程并重启以获取数据库密钥！'
       await new Promise(resolve => setTimeout(resolve, 5000))
     }
 
@@ -554,8 +554,7 @@ const handleGetDbKey = async () => {
       if (res.data?.db_key) {
         formData.key = res.data.db_key
       }
-      warning.value = '🎉 数据库解密密钥已获取成功！'
-      // 3秒后清除成功提示，保持 UI 干净
+      warning.value = '数据库解密密钥已获取成功！'
       setTimeout(() => { if(warning.value.includes('获取成功')) warning.value = '' }, 3000)
     } else {
       error.value = '获取失败: ' + (res?.errmsg || '未知错误')
@@ -570,7 +569,6 @@ const handleGetDbKey = async () => {
   }
 }
 
-
 const applyManualKeys = () => {
   manualKeyErrors.xor_key = ''
   manualKeyErrors.aes_key = ''
@@ -752,16 +750,23 @@ const handleDecrypt = async () => {
         }
         try {
           const accounts = Object.keys(result.account_results || {})
-          if (accounts.length > 0) mediaAccount.value = accounts[0]
+          if (accounts.length > 0) {
+            mediaAccount.value = accounts[0]
+          } else {
+            const match = formData.db_storage_path.match(/(wxid_[a-zA-Z0-9]+)/)
+            if (match) mediaAccount.value = match[1]
+          }
         } catch (e) {}
 
         currentStep.value = 1
         await prefillKeysForAccount(mediaAccount.value)
 
         if (!manualKeys.xor_key && !manualKeys.aes_key) {
-          warning.value = '正在通过云端备选方案自动获取图片密钥，请稍候...'
+          warning.value = '正在通过云端/本地算法自动获取图片密钥，请稍候...'
           try {
-            const imgRes = await getImageKey({ account: mediaAccount.value })
+            const params = mediaAccount.value ? { account: mediaAccount.value } : {}
+            const imgRes = await getImageKey(params)
+
             if (imgRes && imgRes.status === 0) {
               if (imgRes.data?.xor_key) manualKeys.xor_key = imgRes.data.xor_key
               if (imgRes.data?.aes_key) manualKeys.aes_key = imgRes.data.aes_key
@@ -842,7 +847,12 @@ const handleDecrypt = async () => {
 
           try {
             const accounts = Object.keys(data.account_results || {})
-            if (accounts.length > 0) mediaAccount.value = accounts[0]
+            if (accounts.length > 0) {
+              mediaAccount.value = accounts[0]
+            } else {
+              const match = formData.db_storage_path.match(/(wxid_[a-zA-Z0-9]+)/)
+              if (match) mediaAccount.value = match[1]
+            }
           } catch (e) {}
 
           try {
@@ -855,11 +865,11 @@ const handleDecrypt = async () => {
             currentStep.value = 1
             await prefillKeysForAccount(mediaAccount.value)
 
-            // 【重点】如果刚才没有通过双 Hook 拿到图片密钥，触发云端 API 备用方案自动获取
             if (!manualKeys.xor_key && !manualKeys.aes_key) {
-              warning.value = '正在通过云端备选方案自动获取图片密钥，请稍候...'
+              warning.value = '正在通过云端/本地算法自动获取图片密钥，请稍候...'
               try {
-                const imgRes = await getImageKey({ account: mediaAccount.value })
+                const params = mediaAccount.value ? { account: mediaAccount.value } : {}
+                const imgRes = await getImageKey(params)
                 if (imgRes && imgRes.status === 0) {
                   if (imgRes.data?.xor_key) manualKeys.xor_key = imgRes.data.xor_key
                   if (imgRes.data?.aes_key) manualKeys.aes_key = imgRes.data.aes_key
diff --git a/src/wechat_decrypt_tool/key_service.py b/src/wechat_decrypt_tool/key_service.py
index b910d3e..13a58f0 100644
--- a/src/wechat_decrypt_tool/key_service.py
+++ b/src/wechat_decrypt_tool/key_service.py
@@ -193,7 +193,7 @@ async def get_image_key_integrated_workflow(account: Optional[str] = None) -> Di
         # 如果指定了账号，尝试在本地结果中找匹配的
         if target_account_wxid:
             for k in local_keys:
-                if k['wxid'] == target_account_wxid:
+                if k['wxid'] in target_account_wxid:
                     logger.info(f"成功通过本地算法匹配到账号 {target_account_wxid} 的图片密钥")
                     upsert_account_keys_in_store(
                         account=k['wxid'],
@@ -205,6 +205,7 @@ async def get_image_key_integrated_workflow(account: Optional[str] = None) -> Di
             # 如果没指定账号，返回第一个发现的并存入 store (如果有的话)
             k = local_keys[0]
             logger.info(f"本地算法提取成功 (未指定账号，返回首个): {k['wxid']}")
+            # logger.info(local_keys)
             upsert_account_keys_in_store(
                 account=k['wxid'],
                 image_xor_key=k['xor_key'],