diff --git a/config/index.js b/config/index.js
index 61f0ffe..beee8bc 100644
--- a/config/index.js
+++ b/config/index.js
@@ -24,7 +24,7 @@ module.exports = {
 
     // Various Dev Server settings
     host: 'localhost', // can be overwritten by process.env.HOST
-    port: 8003, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    port: 9003, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
     autoOpenBrowser: true,
     errorOverlay: true,
     notifyOnErrors: true,
diff --git a/src/views/modules/qc/FQASResultEntry.vue b/src/views/modules/qc/FQASResultEntry.vue
index 1b052b3..93668a2 100644
--- a/src/views/modules/qc/FQASResultEntry.vue
+++ b/src/views/modules/qc/FQASResultEntry.vue
@@ -1630,18 +1630,26 @@
         }
         if (this.operatorData.flag === '1') {
           for (let i = 0; i < this.dataListSelections2.length; i++) {
-            this.detailData.operatorName = this.detailData.operatorName + ";" + this.dataListSelections2[i].adminName
-            this.detailData.operator = this.detailData.operator + ";" + this.dataListSelections2[i].adminID
+            if (!this.detailData.operator.split(';').includes(this.dataListSelections2[i].adminID)) {
+              this.detailData.operatorName = this.detailData.operatorName + ";" + this.dataListSelections2[i].adminName
+              this.detailData.operator = this.detailData.operator + ";" + this.dataListSelections2[i].adminID
+            }
+          }
+          if (this.detailData.operator.charAt(0) === ';') {
+            this.detailData.operator = this.detailData.operator.substring(1)
+            this.detailData.operatorName = this.detailData.operatorName.substring(1)
           }
-          this.detailData.operator = this.detailData.operator.substring(1)
-          this.detailData.operatorName = this.detailData.operatorName.substring(1)
         } else {
           for (let i = 0; i < this.dataListSelections2.length; i++) {
-            this.detailData.responsiblePersonName = this.detailData.responsiblePersonName + ";" + this.dataListSelections2[i].adminName
-            this.detailData.responsiblePerson = this.detailData.responsiblePerson + ";" + this.dataListSelections2[i].adminID
+            if (!this.detailData.responsiblePerson.split(';').includes(this.dataListSelections2[i].adminID)) {
+              this.detailData.responsiblePersonName = this.detailData.responsiblePersonName + ";" + this.dataListSelections2[i].adminName
+              this.detailData.responsiblePerson = this.detailData.responsiblePerson + ";" + this.dataListSelections2[i].adminID
+            }
+          }
+          if (this.detailData.responsiblePerson.charAt(0) === ';') {
+            this.detailData.responsiblePerson = this.detailData.responsiblePerson.substring(1)
+            this.detailData.responsiblePersonName = this.detailData.responsiblePersonName.substring(1)
           }
-          this.detailData.responsiblePerson = this.detailData.responsiblePerson.substring(1)
-          this.detailData.responsiblePersonName = this.detailData.responsiblePersonName.substring(1)
         }
         this.operatorData = {
           flag: '',
diff --git a/src/views/modules/qc/IQCResultEntry.vue b/src/views/modules/qc/IQCResultEntry.vue
index 6012a52..112754b 100644
--- a/src/views/modules/qc/IQCResultEntry.vue
+++ b/src/views/modules/qc/IQCResultEntry.vue
@@ -1767,18 +1767,26 @@
         }
         if (this.operatorData.flag === '1') {
           for (let i = 0; i < this.dataListSelections2.length; i++) {
-            this.detailData.operatorName = this.detailData.operatorName + ";" + this.dataListSelections2[i].adminName
-            this.detailData.operator = this.detailData.operator + ";" + this.dataListSelections2[i].adminID
+            if (!this.detailData.operator.split(';').includes(this.dataListSelections2[i].adminID)) {
+              this.detailData.operatorName = this.detailData.operatorName + ";" + this.dataListSelections2[i].adminName
+              this.detailData.operator = this.detailData.operator + ";" + this.dataListSelections2[i].adminID
+            }
+          }
+          if (this.detailData.operator.charAt(0) === ';') {
+            this.detailData.operator = this.detailData.operator.substring(1)
+            this.detailData.operatorName = this.detailData.operatorName.substring(1)
           }
-          this.detailData.operator = this.detailData.operator.substring(1)
-          this.detailData.operatorName = this.detailData.operatorName.substring(1)
         } else {
           for (let i = 0; i < this.dataListSelections2.length; i++) {
-            this.detailData.responsiblePersonName = this.detailData.responsiblePersonName + ";" + this.dataListSelections2[i].adminName
-            this.detailData.responsiblePerson = this.detailData.responsiblePerson + ";" + this.dataListSelections2[i].adminID
+            if (!this.detailData.responsiblePerson.split(';').includes(this.dataListSelections2[i].adminID)) {
+              this.detailData.responsiblePersonName = this.detailData.responsiblePersonName + ";" + this.dataListSelections2[i].adminName
+              this.detailData.responsiblePerson = this.detailData.responsiblePerson + ";" + this.dataListSelections2[i].adminID
+            }
+          }
+          if (this.detailData.responsiblePerson.charAt(0) === ';') {
+            this.detailData.responsiblePerson = this.detailData.responsiblePerson.substring(1)
+            this.detailData.responsiblePersonName = this.detailData.responsiblePersonName.substring(1)
           }
-          this.detailData.responsiblePerson = this.detailData.responsiblePerson.substring(1)
-          this.detailData.responsiblePersonName = this.detailData.responsiblePersonName.substring(1)
         }
         this.operatorData = {
           flag: '',