diff --git a/dashboard/src/views/ExtensionPage.vue b/dashboard/src/views/ExtensionPage.vue
index f632dfa009..7f4aaa0bc1 100644
--- a/dashboard/src/views/ExtensionPage.vue
+++ b/dashboard/src/views/ExtensionPage.vue
@@ -103,6 +103,7 @@ const {
   filteredExtensions,
   filteredPlugins,
   filteredMarketPlugins,
+  getMarketPluginKey,
   sortedPlugins,
   RANDOM_PLUGINS_COUNT,
   randomPlugins,
@@ -217,11 +218,18 @@ const selectedMarketPlugin = computed(() => {
     ? pluginMarketData.value
     : [];
   const installedPlugin = selectedInstalledPlugin.value;
+  // Resolve by the unique market plugin key first; the `name` match is a
+  // fallback for legacy deep links, since multiple market entries can share
+  // the same metadata name.
+  const marketKeyMatch =
+    market.find((item) => getMarketPluginKey(item) === selectedPluginId.value) ||
+      null;
   const marketNameMatch =
     market.find((item) => item.name === selectedPluginId.value) || null;
+  const marketMatch = marketKeyMatch || marketNameMatch;
 
   if (selectedDetailTab.value === "market" || !installedPlugin) {
-    return marketNameMatch;
+    return marketMatch;
   }
 
   const repo = normalizeRepoUrl(installedPlugin.repo);
diff --git a/dashboard/src/views/extension/MarketPluginsTab.vue b/dashboard/src/views/extension/MarketPluginsTab.vue
index fd03b48f59..f93f1a6277 100644
--- a/dashboard/src/views/extension/MarketPluginsTab.vue
+++ b/dashboard/src/views/extension/MarketPluginsTab.vue
@@ -80,6 +80,7 @@ const {
   randomPluginNames,
   marketCategoryFilter,
   marketCategoryItems,
+  getMarketPluginKey,
   normalizeStr,
   toPinyinText,
   toInitials,
@@ -174,11 +175,14 @@ const marketCategorySelectItems = computed(() =>
   })),
 );
 
+// Navigate with the unique market plugin key instead of the metadata name —
+// two market entries can share the same `name`.
 const openMarketPluginDetail = (plugin) => {
-  if (!plugin?.name) return;
+  const pluginKey = getMarketPluginKey(plugin);
+  if (!pluginKey) return;
   router.push({
     name: "ExtensionMarketDetails",
-    params: { pluginId: plugin.name },
+    params: { pluginId: pluginKey },
   });
 };
 </script>
@@ -339,7 +343,7 @@ const openMarketPluginDetail = (plugin) => {
       <v-row style="min-height: 26rem" dense>
         <v-col
           v-for="plugin in paginatedPlugins"
-          :key="plugin.name"
+          :key="getMarketPluginKey(plugin)"
           cols="12"
           md="6"
           lg="4"
@@ -387,7 +391,7 @@ const openMarketPluginDetail = (plugin) => {
           <v-row class="mb-6" dense>
             <v-col
               v-for="plugin in randomPlugins"
-              :key="`random-${plugin.name}`"
+              :key="getMarketPluginKey(plugin)"
               cols="12"
               md="6"
               lg="4"
diff --git a/dashboard/src/views/extension/useExtensionPage.js b/dashboard/src/views/extension/useExtensionPage.js
index 55356c1249..7c2c540dca 100644
--- a/dashboard/src/views/extension/useExtensionPage.js
+++ b/dashboard/src/views/extension/useExtensionPage.js
@@ -432,11 +432,13 @@ export const useExtensionPage = (initialTab = "installed") => {
     const allPlugins = pluginMarketData.value;
     if (allPlugins.length === 0) return [];
 
-    const pluginsByName = new Map(
-      allPlugins.map((plugin) => [plugin.name, plugin]),
+    // Key by the unique market plugin key: metadata `name` is not unique and
+    // would collapse same-named plugins into one entry.
+    const pluginsByKey = new Map(
+      allPlugins.map((plugin) => [getMarketPluginKey(plugin), plugin]),
     );
     const selected = randomPluginNames.value
-      .map((name) => pluginsByName.get(name))
+      .map((key) => pluginsByKey.get(key))
       .filter(Boolean);
 
     if (selected.length > 0) {
@@ -462,7 +464,7 @@ export const useExtensionPage = (initialTab = "installed") => {
     const shuffled = shufflePlugins(pluginMarketData.value);
     randomPluginNames.value = shuffled
       .slice(0, Math.min(RANDOM_PLUGINS_COUNT, shuffled.length))
-      .map((plugin) => plugin.name);
+      .map((plugin) => getMarketPluginKey(plugin));
   };
 
   // 分页计算属性
@@ -686,6 +688,17 @@ export const useExtensionPage = (initialTab = "installed") => {
     return String(plugin?.market_plugin_id || "").trim();
   };
 
+  // Unique identity for a market entry. Metadata `name` alone is not unique —
+  // different authors can publish plugins with the same name — so fall back to
+  // repo and finally name for legacy registry entries without an explicit id.
+  const getMarketPluginKey = (plugin) => {
+    return (
+      getMarketPluginId(plugin) ||
+      String(plugin?.repo || "").trim() ||
+      String(plugin?.name || "").trim()
+    );
+  };
+
   const getMarketInstallSourcePayload = () => {
     const plugin = selectedMarketInstallPlugin.value;
     if (
@@ -2574,6 +2587,8 @@ export const useExtensionPage = (initialTab = "installed") => {
     randomPluginNames,
     normalizeStr,
     toPinyinText,
+    getMarketPluginId,
+    getMarketPluginKey,
     toInitials,
     filteredExtensions,
     filteredPlugins,