diff --git a/static/modules/utils.js b/static/modules/utils.js
index cc6f352..73e055a 100644
--- a/static/modules/utils.js
+++ b/static/modules/utils.js
@@ -334,8 +334,16 @@ window.setFinView = (view) => {
   state.finView = view;
   renderFinance();
 };
-window.setFinQuarter = (q) => { state.finQuarter = q; state.finView = 'quarterly'; renderFinance(); };
-window.setFinMonth = (month) => { state.finMonth = month; state.finView = 'monthly'; renderFinance(); };
+window.setFinQuarter = (q) => {
+  if (state.finView === 'quarterly' && state.finQuarter === q) { state.finView = 'overview'; }
+  else { state.finQuarter = q; state.finView = 'quarterly'; }
+  renderFinance();
+};
+window.setFinMonth = (month) => {
+  if (state.finView === 'monthly' && state.finMonth === month) { state.finView = 'overview'; }
+  else { state.finMonth = month; state.finView = 'monthly'; }
+  renderFinance();
+};
 window.setFinYear = (year) => { state.finYear = parseInt(year); renderFinance(); };
 window.switchFinFilter = (filter) => {
   state.finFilter = filter;
@@ -353,8 +361,16 @@ window.setPlanView = (view) => {
   state.planView = view;
   renderPlan();
 };
-window.setPlanQuarter = (q) => { state.planQuarter = q; state.planView = 'quarterly'; renderPlan(); };
-window.setPlanMonth = (month) => { state.planMonth = month; state.planView = 'monthly'; renderPlan(); };
+window.setPlanQuarter = (q) => {
+  if (state.planView === 'quarterly' && state.planQuarter === q) { state.planView = 'overview'; }
+  else { state.planQuarter = q; state.planView = 'quarterly'; }
+  renderPlan();
+};
+window.setPlanMonth = (month) => {
+  if (state.planView === 'monthly' && state.planMonth === month) { state.planView = 'overview'; }
+  else { state.planMonth = month; state.planView = 'monthly'; }
+  renderPlan();
+};
 window.setPlanYear = (year) => { state.planYear = parseInt(year); renderPlan(); };
 window.setPlanStatusFilter = (filter) => { state.planStatusFilter = filter; renderPlan(); };
 window.switchPlanFilter = (filter) => {
diff --git a/templates/index.html b/templates/index.html
index 4ee38e4..df6cf46 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -76,7 +76,7 @@
     <header class="topbar border-b border-slate-200 bg-white px-8 py-5">
       <div class="flex items-center gap-3 w-full">
         <div class="flex-1">
-          <p class="eyebrow text-xs font-semibold uppercase tracking-[0.18em] text-blue-700">OPC Manager <span class="ml-2 text-xs font-normal text-slate-400 tracking-normal">v1.2.0.18</span></p>
+          <p class="eyebrow text-xs font-semibold uppercase tracking-[0.18em] text-blue-700">OPC Manager <span class="ml-2 text-xs font-normal text-slate-400 tracking-normal">v1.2.0.19</span></p>
           <div class="flex items-center gap-4 mt-1">
             <h1 class="text-2xl font-semibold" id="workspaceTitle">科普 OPC 工作台</h1>
             <div class="hidden sm:flex items-center gap-1.5 bg-gradient-to-r from-blue-50 to-indigo-50 border border-blue-100 rounded-full px-4 py-1.5">