diff --git a/modules/ena-planner/ena-planner.js b/modules/ena-planner/ena-planner.js
index a28f2cc..565829d 100644
--- a/modules/ena-planner/ena-planner.js
+++ b/modules/ena-planner/ena-planner.js
@@ -226,7 +226,10 @@ function buildUrl(path) {
     const p = prefix.startsWith('/') ? prefix : `/${prefix}`;
     const finalPrefix = p.replace(/\/+$/g, '');
     const finalPath = path.startsWith('/') ? path : `/${path}`;
-    return `${base}${finalPrefix}${finalPath}`;
+    const escapedPrefix = finalPrefix.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+    const hasSameSuffix = !!finalPrefix && new RegExp(`${escapedPrefix}$`, 'i').test(base);
+    const normalizedBase = hasSameSuffix ? base.slice(0, -finalPrefix.length) : base;
+    return `${normalizedBase}${finalPrefix}${finalPath}`;
 }
 
 function setSendUIBusy(busy) {
@@ -304,15 +307,11 @@ function formatCharCardBlock(charObj) {
 function cleanAiMessageText(text) {
     let out = String(text ?? '');
 
-    // 1) Strip everything before and including </think> (handles unclosed think blocks)
-    //    Pattern: content without opening <think> followed by </think>
-    out = out.replace(/^[\s\S]*?<\/think>/i, '');
-
-    // 2) Also strip properly wrapped <think>...</think> blocks
+    // 1) Strip properly wrapped <think>/<thinking> blocks only.
     out = out.replace(/<think\b[^>]*>[\s\S]*?<\/think>/gi, '');
     out = out.replace(/<thinking\b[^>]*>[\s\S]*?<\/thinking>/gi, '');
 
-    // 3) Strip user-configured exclude tags
+    // 2) Strip user-configured exclude tags
     //    NOTE: JS \b does NOT work after CJK characters, so we use [^>]*> instead.
     //    Order matters: try block match first (greedy), then mop up orphan open/close tags.
     const s = ensureSettings();
@@ -734,17 +733,8 @@ function buildEjsContext() {
         return value;
     }
 
-    // Compute common derived values that entries might reference
-    const fire = Number(getvar('stat_data.蒂娜.火')) || 0;
-    const ice = Number(getvar('stat_data.蒂娜.冰')) || 0;
-    const dark = Number(getvar('stat_data.蒂娜.暗')) || 0;
-    const light = Number(getvar('stat_data.蒂娜.光')) || 0;
-    const maxAttrValue = Math.max(fire, ice, dark, light);
-
     return {
         getvar, setvar,
-        fire, ice, dark, light,
-        maxAttrValue,
         Number, Math, JSON, String, Array, Object, parseInt, parseFloat,
         console: { log: () => { }, warn: () => { }, error: () => { } },
     };