diff --git a/modules/story-summary/generate/llm.js b/modules/story-summary/generate/llm.js
index e0f14db..f2042c5 100644
--- a/modules/story-summary/generate/llm.js
+++ b/modules/story-summary/generate/llm.js
@@ -26,18 +26,6 @@ const PROVIDER_MAP = {
 
 const JSON_PREFILL = DEFAULT_SUMMARY_ASSISTANT_PREFILL_PROMPT;
 
-const LLM_PROMPT_CONFIG = {
-    topSystem: DEFAULT_SUMMARY_SYSTEM_PROMPT,
-    assistantDoc: DEFAULT_SUMMARY_ASSISTANT_DOC_PROMPT,
-    assistantAskSummary: DEFAULT_SUMMARY_ASSISTANT_ASK_SUMMARY_PROMPT,
-    assistantAskContent: DEFAULT_SUMMARY_ASSISTANT_ASK_CONTENT_PROMPT,
-    metaProtocolStart: DEFAULT_SUMMARY_META_PROTOCOL_START_PROMPT,
-    userJsonFormat: DEFAULT_SUMMARY_USER_JSON_FORMAT_PROMPT,
-    assistantCheck: DEFAULT_SUMMARY_ASSISTANT_CHECK_PROMPT,
-    userConfirm: DEFAULT_SUMMARY_USER_CONFIRM_PROMPT,
-    assistantPrefill: DEFAULT_SUMMARY_ASSISTANT_PREFILL_PROMPT,
-};
-
 // ═══════════════════════════════════════════════════════════════════════════
 // 工具函数
 // ═══════════════════════════════════════════════════════════════════════════
diff --git a/modules/story-summary/generate/prompt.js b/modules/story-summary/generate/prompt.js
index 0db9e81..5e07823 100644
--- a/modules/story-summary/generate/prompt.js
+++ b/modules/story-summary/generate/prompt.js
@@ -806,11 +806,7 @@ function buildNonVectorPrompt(store) {
 
     if (!sections.length) return "";
 
-    return (
-        `${buildSystemPreamble()}\n` +
-        `<剧情记忆>\n\n${sections.join("\n\n")}\n\n</剧情记忆>\n` +
-        `${buildPostscript()}`
-    );
+    return buildMemoryPromptText(sections.join("\n\n"));
 }
 
 /**
diff --git a/modules/story-summary/story-summary-ui.js b/modules/story-summary/story-summary-ui.js
index b67d7ee..8ed45b2 100644
--- a/modules/story-summary/story-summary-ui.js
+++ b/modules/story-summary/story-summary-ui.js
@@ -611,9 +611,9 @@ All checks passed. Beginning incremental extraction...
         updateVectorProviderUI(prefix, provider);
     }
 
-    function saveCurrentVectorApiProfile(prefix) {
+    function saveCurrentVectorApiProfile(prefix, providerOverride = null) {
         const apiCfg = config.vector[`${prefix}Api`] ||= {};
-        const provider = $(`${prefix}-api-provider`)?.value || apiCfg.provider || 'siliconflow';
+        const provider = providerOverride || $(`${prefix}-api-provider`)?.value || apiCfg.provider || 'siliconflow';
         apiCfg.providers = normalizeProviderProfiles(prefix, apiCfg);
         apiCfg.providers[provider] = {
             url: $(`${prefix}-api-url`)?.value?.trim() || '',
@@ -661,6 +661,12 @@ All checks passed. Beginning incremental extraction...
         $(`${prefix}-api-model-select`).value = cache.includes(profile.model) ? profile.model : '';
     }
 
+    function saveVectorApiSection(prefix) {
+        saveCurrentVectorApiProfile(prefix);
+        saveConfig();
+        setStatusText($(`${prefix}-api-connect-status`), '此组配置已保存', 'success');
+    }
+
     async function fetchVectorModels(prefix) {
         const provider = $(`${prefix}-api-provider`).value;
         const pv = VECTOR_PROVIDER_DEFAULTS[provider] || VECTOR_PROVIDER_DEFAULTS.custom;
@@ -927,8 +933,9 @@ All checks passed. Beginning incremental extraction...
             };
 
             $(`${prefix}-api-provider`).onchange = e => {
-                saveCurrentVectorApiProfile(prefix);
                 const target = config.vector[`${prefix}Api`] ||= {};
+                const previousProvider = target.provider || 'siliconflow';
+                saveCurrentVectorApiProfile(prefix, previousProvider);
                 target.providers = normalizeProviderProfiles(prefix, target);
                 target.provider = e.target.value;
                 target.providers[e.target.value] ||= createDefaultProviderProfile(e.target.value, VECTOR_API_DEFAULT_MODELS[prefix]);
@@ -940,6 +947,7 @@ All checks passed. Beginning incremental extraction...
             };
 
             $(`${prefix}-btn-connect`).onclick = () => fetchVectorModels(prefix);
+            $(`${prefix}-btn-save`).onclick = () => saveVectorApiSection(prefix);
             $(`${prefix}-btn-test`).onclick = () => {
                 const btn = $(`${prefix}-btn-test`);
                 if (btn) btn.disabled = true;
diff --git a/modules/story-summary/story-summary.html b/modules/story-summary/story-summary.html
index 0559e8c..bff18f6 100644
--- a/modules/story-summary/story-summary.html
+++ b/modules/story-summary/story-summary.html
@@ -475,8 +475,9 @@
                                                     </div>
                                                 </div>
                                                 <div class="settings-btn-row" id="l0-api-connect-row" style="margin-bottom:8px;">
-                                                    <button class="btn btn-sm" id="l0-btn-connect" style="flex:1">连接 / 拉取模型列表</button>
+                                                    <button class="btn btn-sm" id="l0-btn-connect" style="flex:1">拉取</button>
                                                     <button class="btn btn-sm" id="l0-btn-test" style="flex:1">测试</button>
+                                                    <button class="btn btn-sm btn-p" id="l0-btn-save" style="flex:1">保存</button>
                                                 </div>
                                                 <div class="settings-hint" id="l0-api-connect-status" style="margin-bottom:16px;"></div>
                                             </div>
@@ -527,8 +528,9 @@
                                                     </div>
                                                 </div>
                                                 <div class="settings-btn-row" id="embedding-api-connect-row" style="margin-bottom:8px;">
-                                                    <button class="btn btn-sm" id="embedding-btn-connect" style="flex:1">连接 / 拉取模型列表</button>
+                                                    <button class="btn btn-sm" id="embedding-btn-connect" style="flex:1">拉取</button>
                                                     <button class="btn btn-sm" id="embedding-btn-test" style="flex:1">测试</button>
+                                                    <button class="btn btn-sm btn-p" id="embedding-btn-save" style="flex:1">保存</button>
                                                 </div>
                                                 <div class="settings-hint" id="embedding-api-connect-status" style="margin-bottom:16px;"></div>
                                             </div>
@@ -578,9 +580,10 @@
                                                         <select id="rerank-api-model-select"><option value="">请选择</option></select>
                                                     </div>
                                                 </div>
-                                                <div class="settings-btn-row" id="rerank-api-connect-row">
-                                                    <button class="btn btn-sm" id="rerank-btn-connect" style="flex:1">连接 / 拉取模型列表</button>
+                                                <div class="settings-btn-row" id="rerank-api-connect-row" style="margin-bottom:8px;">
+                                                    <button class="btn btn-sm" id="rerank-btn-connect" style="flex:1">拉取</button>
                                                     <button class="btn btn-sm" id="rerank-btn-test" style="flex:1">测试</button>
+                                                    <button class="btn btn-sm btn-p" id="rerank-btn-save" style="flex:1">保存</button>
                                                 </div>
                                                 <div class="settings-hint" id="rerank-api-connect-status"></div>
                                             </div>
diff --git a/modules/story-summary/vector/storage/vector-io.js b/modules/story-summary/vector/storage/vector-io.js
index 90327ee..22c8776 100644
--- a/modules/story-summary/vector/storage/vector-io.js
+++ b/modules/story-summary/vector/storage/vector-io.js
@@ -83,16 +83,6 @@ function uint8ToBase64(uint8) {
     return btoa(result);
 }
 
-// base64 → Uint8Array
-function base64ToUint8(base64) {
-    const binary = atob(base64);
-    const bytes = new Uint8Array(binary.length);
-    for (let i = 0; i < binary.length; i++) {
-        bytes[i] = binary.charCodeAt(i);
-    }
-    return bytes;
-}
-
 // 服务器备份文件名
 function getBackupFilename(chatId) {
     // chatId 可能含中文/特殊字符，ST 只接受 [a-zA-Z0-9_-]