diff --git a/.env.development b/.env.development
index 2d18ae7..0d0c8b5 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.540
+NEXT_PUBLIC_APP_VERSION=1.6.541
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index dac7517..3398f32 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.540
+NEXT_PUBLIC_APP_VERSION=1.6.541
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2bce20..ac5ed41 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.541] – 2025-07-07
+
+- system
+
+---
 ## [1.6.540] – 2025-07-07
 
 - refactor: Seitenkomponenten ausgelagert in View-Komponenten
diff --git a/components/main/system/SystemView.tsx b/components/main/system/SystemView.tsx
index 378db79..dc651d0 100644
--- a/components/main/system/SystemView.tsx
+++ b/components/main/system/SystemView.tsx
@@ -40,18 +40,31 @@ const SystemPage = () => {
     return () => clearInterval(interval);
   }, [dispatch]);
 
-  useEffect(() => {
-    dispatch(getSystemspannung5VplusThunk(zeitraum));
-    dispatch(getSystemspannung15VplusThunk(zeitraum));
-    dispatch(getSystemspannung15VminusThunk(zeitraum));
-    dispatch(getSystemspannung98VminusThunk(zeitraum));
-    dispatch(getTemperaturAdWandlerThunk(zeitraum));
-    dispatch(getTemperaturProzessorThunk(zeitraum));
-  }, [dispatch, zeitraum]);
-
   const handleOpenDetail = (key: string) => {
     setSelectedKey(key);
     setIsModalOpen(true);
+
+    // Nur passenden Thunk aufrufen
+    switch (key) {
+      case "+5V":
+        dispatch(getSystemspannung5VplusThunk(zeitraum));
+        break;
+      case "+15V":
+        dispatch(getSystemspannung15VplusThunk(zeitraum));
+        break;
+      case "-15V":
+        dispatch(getSystemspannung15VminusThunk(zeitraum));
+        break;
+      case "-98V":
+        dispatch(getSystemspannung98VminusThunk(zeitraum));
+        break;
+      case "ADC Temp":
+        dispatch(getTemperaturAdWandlerThunk(zeitraum));
+        break;
+      case "CPU Temp":
+        dispatch(getTemperaturProzessorThunk(zeitraum));
+        break;
+    }
   };
 
   const handleCloseDetail = () => {
diff --git a/package-lock.json b/package-lock.json
index 03a84e6..a1711c4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.540",
+  "version": "1.6.541",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.540",
+      "version": "1.6.541",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@iconify-icons/ri": "^1.2.10",
diff --git a/package.json b/package.json
index a51f283..677ae67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.540",
+  "version": "1.6.541",
   "private": true,
   "scripts": {
     "dev": "next dev",