diff --git a/.env.development b/.env.development
index 3969689..398d3c9 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=1.6.676
+NEXT_PUBLIC_APP_VERSION=1.6.677
 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 e7a4531..3e64057 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=1.6.676
+NEXT_PUBLIC_APP_VERSION=1.6.677
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc2a3e0..a518bc1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.677] – 2025-08-01
+
+- fix: link in console
+
+---
 ## [1.6.676] – 2025-08-01
 
 - fix: richtige Link in system fetch service
diff --git a/components/main/system/DetailModal.tsx b/components/main/system/DetailModal.tsx
index dc5ea89..fe643e1 100644
--- a/components/main/system/DetailModal.tsx
+++ b/components/main/system/DetailModal.tsx
@@ -135,6 +135,7 @@ export const DetailModal = ({
     datasets: [],
   });
   const [isLoading, setIsLoading] = useState(false);
+  const [shouldUpdateChart, setShouldUpdateChart] = useState(false);
   const vonDatum = useSelector(
     (state: RootState) => state.kabelueberwachungChartSlice.vonDatum
   );
@@ -197,6 +198,13 @@ export const DetailModal = ({
   // API-Request beim Klick auf "Daten laden"
   const handleFetchData = () => {
     setIsLoading(true);
+
+    // Clear previous chart data
+    setChartData({ datasets: [] });
+
+    // Flag setzen, dass Chart nach Datenempfang aktualisiert werden soll
+    setShouldUpdateChart(true);
+
     switch (selectedKey) {
       case "+5V":
         dispatch(getSystemspannung5VplusThunk(zeitraum));
@@ -233,12 +241,6 @@ export const DetailModal = ({
       chartRef.current.resetZoom();
     }
   }, [zeitraum]);
-  // beim start soll der Chart einmal aufgerufen wird, also einmal der Button "Daten laden" geklickt werden
-  useEffect(() => {
-    if (isOpen && selectedKey) {
-      handleFetchData();
-    }
-  }, [isOpen, selectedKey]);
 
   // Chart.js animation complete callback to set isLoading false
   useEffect(() => {
@@ -257,6 +259,40 @@ export const DetailModal = ({
     }
   }, [chartData, isLoading]);
 
+  // Update chart data when Redux data changes (only after button click)
+  useEffect(() => {
+    if (shouldUpdateChart && reduxData && reduxData.length > 0) {
+      console.log("Redux data for chart:", reduxData);
+
+      // Convert Redux data to Chart.js format
+      const chartDataPoints = reduxData.map((entry) => ({
+        x: new Date(entry.t).getTime(),
+        y: entry.m || entry.a || entry.i || 0, // Use current value, max, min, or 0
+      }));
+
+      const newChartData = {
+        datasets: [
+          {
+            label: selectedKey || "Messwerte",
+            data: chartDataPoints,
+            borderColor: "#00AEEF", // littwin-blue
+            backgroundColor: "rgba(0, 174, 239, 0.2)", // littwin-blue mit Transparenz
+            tension: 0.1,
+            fill: false,
+          },
+        ],
+      };
+
+      console.log("Chart data points:", chartDataPoints);
+      setChartData(newChartData);
+      setShouldUpdateChart(false); // Reset flag
+    } else if (shouldUpdateChart && (!reduxData || reduxData.length === 0)) {
+      console.log("No Redux data available");
+      setChartData({ datasets: [] });
+      setShouldUpdateChart(false); // Reset flag
+    }
+  }, [reduxData, selectedKey, shouldUpdateChart]);
+
   if (!isOpen || !selectedKey) return null;
 
   return (
diff --git a/package-lock.json b/package-lock.json
index d4cc638..23c233d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.676",
+  "version": "1.6.677",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.676",
+      "version": "1.6.677",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@headlessui/react": "^2.2.4",
diff --git a/package.json b/package.json
index 6aaa0d1..ac70d19 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.676",
+  "version": "1.6.677",
   "private": true,
   "scripts": {
     "dev": "next dev",