diff --git a/public/locales/fa/app.json b/public/locales/fa/app.json
index 4ae635f..0a1c31b 100644
--- a/public/locales/fa/app.json
+++ b/public/locales/fa/app.json
@@ -258,6 +258,7 @@
     "date": "تاریخ",
     "call_history_of": "تاریخچه تماس های",
     "call_history_not_found": "تاریخچه ای برای تماس دریافتی یافت نشد",
-    "call_history_error_fetching": "خطا در دریافت تاریخچه تماس دریافتی"
+    "call_history_error_fetching": "خطا در دریافت تاریخچه تماس دریافتی",
+    "show_more": "نمایش موارد بیشتر"
   }
 }
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/HistoryHeader/__tests__/index.test.js b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/HistoryHeader/__tests__/index.test.js
index 13e05cf..51d700e 100644
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/HistoryHeader/__tests__/index.test.js
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/HistoryHeader/__tests__/index.test.js
@@ -12,7 +12,7 @@ describe("HistoryHeader Component From call history", () => {
             const textHeader = screen.queryByText(/تاریخچه تماس های/i);
             expect(textHeader).toBeInTheDocument();
         });
-        it("number of caller in header rendered", () => {
+        it("caller number in header rendered", () => {
             render(<MockAppWithProviders><HistoryHeader tab={tab}/></MockAppWithProviders>);
             const callerNumber = screen.queryByText(/09111111111/i);
             expect(callerNumber).toBeInTheDocument();
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/__tests__/index.test.js b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/__tests__/index.test.js
new file mode 100644
index 0000000..4fd4519
--- /dev/null
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/__tests__/index.test.js
@@ -0,0 +1,22 @@
+import {render, screen} from "@testing-library/react";
+import MockAppWithProviders from "../../../../../../../../../../../../mocks/AppWithProvider";
+import PreviousOperatorData from "../../PreviousOperatorData";
+
+describe("PreviousOperatorData Component From call history", () => {
+    describe("Rendering", () => {
+        const historyItem = {
+            operator_name: "test name",
+            answer_date: "test date"
+        }
+        it("operator name rendered", () => {
+            render(<MockAppWithProviders><PreviousOperatorData historyItem={historyItem}/></MockAppWithProviders>);
+            const operatorName = screen.queryByText("test name");
+            expect(operatorName).toBeInTheDocument();
+        });
+        it("operator answer date rendered", () => {
+            render(<MockAppWithProviders><PreviousOperatorData historyItem={historyItem}/></MockAppWithProviders>);
+            const operatorAnswerDate = screen.queryByText("test date");
+            expect(operatorAnswerDate).toBeInTheDocument();
+        });
+    });
+});
\ No newline at end of file
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviusOperatorData/index.jsx b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/index.jsx
similarity index 91%
rename from src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviusOperatorData/index.jsx
rename to src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/index.jsx
index a907a33..afd2ad7 100644
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviusOperatorData/index.jsx
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/PreviousOperatorData/index.jsx
@@ -2,7 +2,7 @@ import {useTranslations} from "next-intl";
 import {Avatar, Box, ListItem, ListItemAvatar, ListItemText, Typography} from "@mui/material";
 import HeadsetMicIcon from '@mui/icons-material/HeadsetMic';
 
-const PreviusOperatorData = ({historyItem}) => {
+const PreviousOperatorData = ({historyItem}) => {
     const t = useTranslations();
     return (
         <ListItem>
@@ -25,4 +25,4 @@ const PreviusOperatorData = ({historyItem}) => {
     )
 }
 
-export default PreviusOperatorData
+export default PreviousOperatorData
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/Topics/__tests__/index.test.js b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/Topics/__tests__/index.test.js
new file mode 100644
index 0000000..d9d77e4
--- /dev/null
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/Topics/__tests__/index.test.js
@@ -0,0 +1,22 @@
+import {render, screen} from "@testing-library/react";
+import MockAppWithProviders from "../../../../../../../../../../../../mocks/AppWithProvider";
+import Topics from "../../Topics";
+
+describe("Topics Component From call history", () => {
+    describe("Rendering", () => {
+        const historyItem = {
+            category_name: "test category",
+            subcategory_name: "test sub category"
+        }
+        it("operator name rendered", () => {
+            render(<MockAppWithProviders><Topics historyItem={historyItem}/></MockAppWithProviders>);
+            const operatorName = screen.queryByText("test category");
+            expect(operatorName).toBeInTheDocument();
+        });
+        it("operator answer date rendered", () => {
+            render(<MockAppWithProviders><Topics historyItem={historyItem}/></MockAppWithProviders>);
+            const operatorAnswerDate = screen.queryByText("test sub category");
+            expect(operatorAnswerDate).toBeInTheDocument();
+        });
+    });
+});
\ No newline at end of file
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/__tests__/index.test.js b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/__tests__/index.test.js
deleted file mode 100644
index e69de29..0000000
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/index.jsx b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/index.jsx
index d697da8..7af4fd5 100644
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/index.jsx
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/ListItemOfCalls/index.jsx
@@ -1,6 +1,6 @@
 import {useTranslations} from "next-intl";
 import {Grow, List} from "@mui/material";
-import PreviusOperatorData from "./PreviusOperatorData";
+import PreviousOperatorData from "./PreviousOperatorData";
 import Topics from "./Topics";
 
 const ListItemOfCalls = ({historyItem}) => {
@@ -11,7 +11,7 @@ const ListItemOfCalls = ({historyItem}) => {
     return (
         <Grow in={true}>
             <List sx={{width: '100%', bgcolor: 'rgba(222,234,215,0.11)'}}>
-                <PreviusOperatorData historyItem={historyItem}/>
+                <PreviousOperatorData historyItem={historyItem}/>
                 <Topics historyItem={historyItem}/>
             </List>
         </Grow>
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/LoadingHistory/index.jsx b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/LoadingHistory/index.jsx
index 79093cb..2c9900e 100644
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/LoadingHistory/index.jsx
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/LoadingHistory/index.jsx
@@ -39,7 +39,7 @@ const LoadingHistory = () => {
                         />
                     }/>
                 </Box>
-                <Box timeout="auto" unmountOnExit sx={{py: 2}}>
+                <Box timeout="auto" sx={{py: 2}}>
                     <List component="div" disablePadding>
                         <ListItem data-testid="loading-listItem-cat" sx={{px: 4}}>
                             <Box sx={{width: "100%", display: "flex", justifyContent: "space-between"}}>
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/__tests__/index.test.js b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/__tests__/index.test.js
deleted file mode 100644
index 2e107ed..0000000
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/__tests__/index.test.js
+++ /dev/null
@@ -1,8 +0,0 @@
-describe("CreateForm Component From Expert Management", () => {
-    describe("Rendering", () => {
-
-    });
-    describe("Behavioral", () => {
-
-    });
-});
\ No newline at end of file
diff --git a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/index.jsx b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/index.jsx
index dd9f44a..c83bc49 100644
--- a/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/index.jsx
+++ b/src/components/layouts/Dashboard/CallWidget/CallWidgetDialog/CallTabs/CallTabPanel/CallHistory/index.jsx
@@ -40,7 +40,7 @@ const CallHistory = ({tab}) => {
                                 <Chip
                                     icon={<HeadphonesIcon/>}
                                     onClick={() => setShowRestOfHistory(true)}
-                                    label="نمایش موارد بیشتر"
+                                    label={t("show_more")}
                                     disabled={showRestOfHistory}
                                 />
                             </Divider>