diff --git a/public/pages/DefineDetector/components/CustomResultIndex/CustomResultIndex.tsx b/public/pages/DefineDetector/components/CustomResultIndex/CustomResultIndex.tsx
index dadff697..24ab61cb 100644
--- a/public/pages/DefineDetector/components/CustomResultIndex/CustomResultIndex.tsx
+++ b/public/pages/DefineDetector/components/CustomResultIndex/CustomResultIndex.tsx
@@ -109,7 +109,7 @@ function CustomResultIndex(props: CustomResultIndexProps) {
                 disabled={props.isEdit}
                 onChange={() => {
                   if (enabled) {
-                    form.setFieldValue('resultIndex', '');
+                    form.setFieldValue('resultIndex', undefined);
                   }
                   setEnabled(!enabled);
                 }}
diff --git a/public/pages/DefineDetector/containers/__tests__/__snapshots__/DefineDetector.test.tsx.snap b/public/pages/DefineDetector/containers/__tests__/__snapshots__/DefineDetector.test.tsx.snap
index 6f3ee007..f84cbaef 100644
--- a/public/pages/DefineDetector/containers/__tests__/__snapshots__/DefineDetector.test.tsx.snap
+++ b/public/pages/DefineDetector/containers/__tests__/__snapshots__/DefineDetector.test.tsx.snap
@@ -1603,7 +1603,7 @@ exports[`<DefineDetector /> empty creating detector definition renders the compo
                     xmlns="http://www.w3.org/2000/svg"
                   >
                     <path
-                      d="M7.999 15.999a8 8 0 1 1 0-16 8 8 0 0 1 0 16ZM8 15A7 7 0 1 0 8 1a7 7 0 0 0 0 14ZM3.5 5h9a.5.5 0 1 1 0 1h-9a.5.5 0 0 1 0-1Zm2 3h5a.5.5 0 1 1 0 1h-5a.5.5 0 0 1 0-1Zm2 3h1a.5.5 0 1 1 0 1h-1a.5.5 0 1 1 0-1Z"
+                      d="m9.759 12.652-1.8 2.25-.78-.625 1.8-2.25A.1.1 0 0 0 9 11.965V8.362a1 1 0 0 1 .232-.64l4.631-5.558A.1.1 0 0 0 13.787 2H2.213a.1.1 0 0 0-.077.164l4.631 5.558a1 1 0 0 1 .232.64v5.853a.1.1 0 0 0 .178.062l.781.625c-.65.812-1.959.353-1.959-.687V8.362L1.368 2.804C.771 2.088 1.281 1 2.214 1h11.573c.932 0 1.442 1.088.845 1.804L10 8.362v3.603a1.1 1.1 0 0 1-.241.687Z"
                       fill-rule="evenodd"
                     />
                   </svg>
@@ -2699,7 +2699,7 @@ exports[`<DefineDetector /> empty editing detector definition renders the compon
                     xmlns="http://www.w3.org/2000/svg"
                   >
                     <path
-                      d="M7.999 15.999a8 8 0 1 1 0-16 8 8 0 0 1 0 16ZM8 15A7 7 0 1 0 8 1a7 7 0 0 0 0 14ZM3.5 5h9a.5.5 0 1 1 0 1h-9a.5.5 0 0 1 0-1Zm2 3h5a.5.5 0 1 1 0 1h-5a.5.5 0 0 1 0-1Zm2 3h1a.5.5 0 1 1 0 1h-1a.5.5 0 1 1 0-1Z"
+                      d="m9.759 12.652-1.8 2.25-.78-.625 1.8-2.25A.1.1 0 0 0 9 11.965V8.362a1 1 0 0 1 .232-.64l4.631-5.558A.1.1 0 0 0 13.787 2H2.213a.1.1 0 0 0-.077.164l4.631 5.558a1 1 0 0 1 .232.64v5.853a.1.1 0 0 0 .178.062l.781.625c-.65.812-1.959.353-1.959-.687V8.362L1.368 2.804C.771 2.088 1.281 1 2.214 1h11.573c.932 0 1.442 1.088.845 1.804L10 8.362v3.603a1.1 1.1 0 0 1-.241.687Z"
                       fill-rule="evenodd"
                     />
                   </svg>
@@ -3288,4 +3288,4 @@ exports[`<DefineDetector /> empty editing detector definition renders the compon
     </div>
   </div>
 </div>
-`;
+`;
\ No newline at end of file
diff --git a/public/redux/reducers/ad.ts b/public/redux/reducers/ad.ts
index a1a689d1..9d456912 100644
--- a/public/redux/reducers/ad.ts
+++ b/public/redux/reducers/ad.ts
@@ -492,10 +492,8 @@ export const startHistoricalDetector = (
   startTime: number,
   endTime: number
 ): APIAction => {
-  const baseUrl = `${AD_NODE_API.DETECTOR}/${detectorId}`;
-  const url = dataSourceId
-    ? `${baseUrl}/${dataSourceId}/start`
-    : `${baseUrl}/start`;
+  const baseUrl = `${AD_NODE_API.DETECTOR}/${detectorId}/start`;
+  const url = dataSourceId ? `${baseUrl}/${dataSourceId}` : baseUrl;
 
   return {
     type: START_HISTORICAL_DETECTOR,