diff --git a/src-tauri/src/feed/channel.rs b/src-tauri/src/feed/channel.rs
index 1f9052130..d505829da 100644
--- a/src-tauri/src/feed/channel.rs
+++ b/src-tauri/src/feed/channel.rs
@@ -398,7 +398,13 @@ pub fn add_feed(feed: models::NewFeed, articles: Vec<models::NewArticle>) -> (us
 
   let result = match result {
     Ok(r) => (r, String::from("")),
-    Err(error) => (0, error.to_string()),
+    Err(error) => {
+      if let diesel::result::Error::DatabaseError(diesel::result::DatabaseErrorKind::UniqueViolation, _) = error {
+        return (0, "The feed you are trying to save already exists.".to_string())
+      } else {
+        return (0, error.to_string())
+      }
+    }
   };
 
   println!(" new result {:?}", result);
diff --git a/src/components/AddFeed/index.tsx b/src/components/AddFeed/index.tsx
index d022f31f3..e21d1a5cb 100644
--- a/src/components/AddFeed/index.tsx
+++ b/src/components/AddFeed/index.tsx
@@ -47,7 +47,7 @@ export const AddFeedChannel = (props: any) => {
             variant: "destructive",
             title: "Unable to subscribe",
             description: message,
-            duration: 2,
+            duration: 2000,
           });
 
           return;
@@ -85,10 +85,17 @@ export const AddFeedChannel = (props: any) => {
     dataAgent
       .addChannel(feedUrl)
       .then((res) => {
+        console.log("%c Line:88 🥕 res", "color:#4fff4B", res);
         if (res[1] === "") {
           store.initCollectionMetas();
-          busChannel.emit("getChannels");
           handleCancel();
+        } else {
+          toast({
+            variant: "destructive",
+            title: "Unable to subscribe",
+            description: res[1],
+            duration: 2000,
+          });
         }
       })
       .finally(() => {
diff --git a/src/components/SettingPanel/Content/DialogDeleteFolder.tsx b/src/components/SettingPanel/Content/DialogDeleteFolder.tsx
index 26a5f880a..26e243983 100644
--- a/src/components/SettingPanel/Content/DialogDeleteFolder.tsx
+++ b/src/components/SettingPanel/Content/DialogDeleteFolder.tsx
@@ -49,7 +49,7 @@ export const DialogDeleteFolder = React.memo((props: DialogProps) => {
             variant: "destructive",
             title: "Ops! Something wrong~",
             description: err.message,
-            duration: 2,
+            duration: 2000,
           });
         });
     }
diff --git a/src/components/SettingPanel/Content/DialogEditFeed.tsx b/src/components/SettingPanel/Content/DialogEditFeed.tsx
index e227a4836..04c9cfe68 100644
--- a/src/components/SettingPanel/Content/DialogEditFeed.tsx
+++ b/src/components/SettingPanel/Content/DialogEditFeed.tsx
@@ -53,7 +53,7 @@ export const DialogEditFeed = React.memo((props: DialogEditFeedProps) => {
             variant: "destructive",
             title: "Ops! Something wrong~",
             description: err.message,
-            duration: 2,
+            duration: 2000,
           });
         });
     }
diff --git a/src/components/SettingPanel/Content/DialogUnsubscribeFeed.tsx b/src/components/SettingPanel/Content/DialogUnsubscribeFeed.tsx
index c3e6626e7..3b30ed112 100644
--- a/src/components/SettingPanel/Content/DialogUnsubscribeFeed.tsx
+++ b/src/components/SettingPanel/Content/DialogUnsubscribeFeed.tsx
@@ -49,7 +49,7 @@ export const DialogUnsubscribeFeed = React.memo((props: DialogProps) => {
             variant: "destructive",
             title: "Ops! Something wrong~",
             description: err.message,
-            duration: 2,
+            duration: 2000,
           });
         });
     }
diff --git a/src/components/ui/Toaster.tsx b/src/components/ui/Toaster.tsx
index 7d82ed557..a2209ba58 100644
--- a/src/components/ui/Toaster.tsx
+++ b/src/components/ui/Toaster.tsx
@@ -1,5 +1,3 @@
-"use client";
-
 import {
   Toast,
   ToastClose,
@@ -7,11 +5,11 @@ import {
   ToastProvider,
   ToastTitle,
   ToastViewport,
-} from "@/components/ui/toast";
-import { useToast } from "@/components/ui/use-toast";
+} from "@/components/ui/toast"
+import { useToast } from "@/components/ui/use-toast"
 
 export function Toaster() {
-  const { toasts } = useToast();
+  const { toasts } = useToast()
 
   return (
     <ToastProvider>
@@ -27,9 +25,9 @@ export function Toaster() {
             {action}
             <ToastClose />
           </Toast>
-        );
+        )
       })}
       <ToastViewport />
     </ToastProvider>
-  );
+  )
 }
diff --git a/src/components/ui/toast.tsx b/src/components/ui/toast.tsx
index 6c2e6fcf2..d65c07c5c 100644
--- a/src/components/ui/toast.tsx
+++ b/src/components/ui/toast.tsx
@@ -1,11 +1,11 @@
-import * as React from "react";
-import * as ToastPrimitives from "@radix-ui/react-toast";
-import { VariantProps, cva } from "class-variance-authority";
-import { X } from "lucide-react";
+import * as React from "react"
+import * as ToastPrimitives from "@radix-ui/react-toast"
+import { cva, type VariantProps } from "class-variance-authority"
+import { X } from "lucide-react"
 
-import { cn } from "@/helpers/cn";
+import { cn } from "@/helpers/cn"
 
-const ToastProvider = ToastPrimitives.Provider;
+const ToastProvider = ToastPrimitives.Provider
 
 const ToastViewport = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Viewport>,
@@ -15,28 +15,28 @@ const ToastViewport = React.forwardRef<
     ref={ref}
     className={cn(
       "fixed top-0 z-[100] flex max-h-screen w-full flex-col-reverse p-4 sm:bottom-0 sm:right-0 sm:top-auto sm:flex-col md:max-w-[420px]",
-      className,
+      className
     )}
     {...props}
   />
-));
-ToastViewport.displayName = ToastPrimitives.Viewport.displayName;
+))
+ToastViewport.displayName = ToastPrimitives.Viewport.displayName
 
 const toastVariants = cva(
-  "data-[swipe=move]:transition-none group relative pointer-events-auto flex w-full items-center justify-between space-x-4 overflow-hidden rounded-md border p-6 pr-8 shadow-lg transition-all data-[swipe=move]:translate-x-[var(--radix-toast-swipe-move-x)] data-[swipe=cancel]:translate-x-0 data-[swipe=end]:translate-x-[var(--radix-toast-swipe-end-x)] data-[state=open]:animate-in data-[state=closed]:animate-out data-[swipe=end]:animate-out data-[state=closed]:fade-out-80 data-[state=open]:slide-in-from-top-full data-[state=open]:sm:slide-in-from-bottom-full data-[state=closed]:slide-out-to-right-full",
+  "group pointer-events-auto relative flex w-full items-center justify-between space-x-4 overflow-hidden rounded-md border p-6 pr-8 shadow-lg transition-all data-[swipe=cancel]:translate-x-0 data-[swipe=end]:translate-x-[var(--radix-toast-swipe-end-x)] data-[swipe=move]:translate-x-[var(--radix-toast-swipe-move-x)] data-[swipe=move]:transition-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[swipe=end]:animate-out data-[state=closed]:fade-out-80 data-[state=closed]:slide-out-to-right-full data-[state=open]:slide-in-from-top-full data-[state=open]:sm:slide-in-from-bottom-full",
   {
     variants: {
       variant: {
-        default: "bg-background border",
+        default: "border bg-background text-foreground",
         destructive:
-          "group destructive border-destructive bg-destructive text-destructive-foreground",
+          "destructive group border-destructive bg-destructive text-destructive-foreground",
       },
     },
     defaultVariants: {
       variant: "default",
     },
-  },
-);
+  }
+)
 
 const Toast = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Root>,
@@ -49,9 +49,9 @@ const Toast = React.forwardRef<
       className={cn(toastVariants({ variant }), className)}
       {...props}
     />
-  );
-});
-Toast.displayName = ToastPrimitives.Root.displayName;
+  )
+})
+Toast.displayName = ToastPrimitives.Root.displayName
 
 const ToastAction = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Action>,
@@ -60,13 +60,13 @@ const ToastAction = React.forwardRef<
   <ToastPrimitives.Action
     ref={ref}
     className={cn(
-      "inline-flex h-8 shrink-0 items-center justify-center rounded-md border bg-transparent px-3 text-sm font-medium ring-offset-background transition-colors hover:bg-secondary focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 group-[.destructive]:border-destructive/30 group-[.destructive]:hover:border-destructive/30 group-[.destructive]:hover:bg-destructive group-[.destructive]:hover:text-destructive-foreground group-[.destructive]:focus:ring-destructive",
-      className,
+      "inline-flex h-8 shrink-0 items-center justify-center rounded-md border bg-transparent px-3 text-sm font-medium ring-offset-background transition-colors hover:bg-secondary focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 group-[.destructive]:border-muted/40 group-[.destructive]:hover:border-destructive/30 group-[.destructive]:hover:bg-destructive group-[.destructive]:hover:text-destructive-foreground group-[.destructive]:focus:ring-destructive",
+      className
     )}
     {...props}
   />
-));
-ToastAction.displayName = ToastPrimitives.Action.displayName;
+))
+ToastAction.displayName = ToastPrimitives.Action.displayName
 
 const ToastClose = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Close>,
@@ -76,15 +76,15 @@ const ToastClose = React.forwardRef<
     ref={ref}
     className={cn(
       "absolute right-2 top-2 rounded-md p-1 text-foreground/50 opacity-0 transition-opacity hover:text-foreground focus:opacity-100 focus:outline-none focus:ring-2 group-hover:opacity-100 group-[.destructive]:text-red-300 group-[.destructive]:hover:text-red-50 group-[.destructive]:focus:ring-red-400 group-[.destructive]:focus:ring-offset-red-600",
-      className,
+      className
     )}
     toast-close=""
     {...props}
   >
     <X className="h-4 w-4" />
   </ToastPrimitives.Close>
-));
-ToastClose.displayName = ToastPrimitives.Close.displayName;
+))
+ToastClose.displayName = ToastPrimitives.Close.displayName
 
 const ToastTitle = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Title>,
@@ -95,8 +95,8 @@ const ToastTitle = React.forwardRef<
     className={cn("text-sm font-semibold", className)}
     {...props}
   />
-));
-ToastTitle.displayName = ToastPrimitives.Title.displayName;
+))
+ToastTitle.displayName = ToastPrimitives.Title.displayName
 
 const ToastDescription = React.forwardRef<
   React.ElementRef<typeof ToastPrimitives.Description>,
@@ -107,12 +107,12 @@ const ToastDescription = React.forwardRef<
     className={cn("text-sm opacity-90", className)}
     {...props}
   />
-));
-ToastDescription.displayName = ToastPrimitives.Description.displayName;
+))
+ToastDescription.displayName = ToastPrimitives.Description.displayName
 
-type ToastProps = React.ComponentPropsWithoutRef<typeof Toast>;
+type ToastProps = React.ComponentPropsWithoutRef<typeof Toast>
 
-type ToastActionElement = React.ReactElement<typeof ToastAction>;
+type ToastActionElement = React.ReactElement<typeof ToastAction>
 
 export {
   type ToastProps,
@@ -124,4 +124,4 @@ export {
   ToastDescription,
   ToastClose,
   ToastAction,
-};
+}
diff --git a/src/components/ui/use-toast.ts b/src/components/ui/use-toast.ts
index a0aa2a7f5..90d8959bf 100644
--- a/src/components/ui/use-toast.ts
+++ b/src/components/ui/use-toast.ts
@@ -1,73 +1,76 @@
 // Inspired by react-hot-toast library
-import * as React from "react";
+import * as React from "react"
 
-import { ToastActionElement, type ToastProps } from "@/components/ui/toast";
+import type {
+  ToastActionElement,
+  ToastProps,
+} from "@/components/ui/toast"
 
-const TOAST_LIMIT = 1;
-const TOAST_REMOVE_DELAY = 1000000;
+const TOAST_LIMIT = 1
+const TOAST_REMOVE_DELAY = 1000000
 
 type ToasterToast = ToastProps & {
-  id: string;
-  title?: React.ReactNode;
-  description?: React.ReactNode;
-  action?: ToastActionElement;
-};
+  id: string
+  title?: React.ReactNode
+  description?: React.ReactNode
+  action?: ToastActionElement
+}
 
 const actionTypes = {
   ADD_TOAST: "ADD_TOAST",
   UPDATE_TOAST: "UPDATE_TOAST",
   DISMISS_TOAST: "DISMISS_TOAST",
   REMOVE_TOAST: "REMOVE_TOAST",
-} as const;
+} as const
 
-let count = 0;
+let count = 0
 
 function genId() {
-  count = (count + 1) % Number.MAX_VALUE;
-  return count.toString();
+  count = (count + 1) % Number.MAX_VALUE
+  return count.toString()
 }
 
-type ActionType = typeof actionTypes;
+type ActionType = typeof actionTypes
 
 type Action =
   | {
-      type: ActionType["ADD_TOAST"];
-      toast: ToasterToast;
+      type: ActionType["ADD_TOAST"]
+      toast: ToasterToast
     }
   | {
-      type: ActionType["UPDATE_TOAST"];
-      toast: Partial<ToasterToast>;
+      type: ActionType["UPDATE_TOAST"]
+      toast: Partial<ToasterToast>
     }
   | {
-      type: ActionType["DISMISS_TOAST"];
-      toastId?: ToasterToast["id"];
+      type: ActionType["DISMISS_TOAST"]
+      toastId?: ToasterToast["id"]
     }
   | {
-      type: ActionType["REMOVE_TOAST"];
-      toastId?: ToasterToast["id"];
-    };
+      type: ActionType["REMOVE_TOAST"]
+      toastId?: ToasterToast["id"]
+    }
 
 interface State {
-  toasts: ToasterToast[];
+  toasts: ToasterToast[]
 }
 
-const toastTimeouts = new Map<string, ReturnType<typeof setTimeout>>();
+const toastTimeouts = new Map<string, ReturnType<typeof setTimeout>>()
 
 const addToRemoveQueue = (toastId: string) => {
   if (toastTimeouts.has(toastId)) {
-    return;
+    return
   }
 
   const timeout = setTimeout(() => {
-    toastTimeouts.delete(toastId);
+    toastTimeouts.delete(toastId)
     dispatch({
       type: "REMOVE_TOAST",
       toastId: toastId,
-    });
-  }, TOAST_REMOVE_DELAY);
+    })
+  }, TOAST_REMOVE_DELAY)
 
-  toastTimeouts.set(toastId, timeout);
-};
+  toastTimeouts.set(toastId, timeout)
+}
 
 export const reducer = (state: State, action: Action): State => {
   switch (action.type) {
@@ -75,27 +78,27 @@ export const reducer = (state: State, action: Action): State => {
       return {
         ...state,
         toasts: [action.toast, ...state.toasts].slice(0, TOAST_LIMIT),
-      };
+      }
 
     case "UPDATE_TOAST":
       return {
         ...state,
         toasts: state.toasts.map((t) =>
-          t.id === action.toast.id ? { ...t, ...action.toast } : t,
+          t.id === action.toast.id ? { ...t, ...action.toast } : t
         ),
-      };
+      }
 
     case "DISMISS_TOAST": {
-      const { toastId } = action;
+      const { toastId } = action
 
       // ! Side effects ! - This could be extracted into a dismissToast() action,
       // but I'll keep it here for simplicity
       if (toastId) {
-        addToRemoveQueue(toastId);
+        addToRemoveQueue(toastId)
       } else {
         state.toasts.forEach((toast) => {
-          addToRemoveQueue(toast.id);
-        });
+          addToRemoveQueue(toast.id)
+        })
       }
 
       return {
@@ -106,46 +109,46 @@ export const reducer = (state: State, action: Action): State => {
                 ...t,
                 open: false,
               }
-            : t,
+            : t
         ),
-      };
+      }
     }
     case "REMOVE_TOAST":
       if (action.toastId === undefined) {
         return {
           ...state,
           toasts: [],
-        };
+        }
       }
       return {
         ...state,
         toasts: state.toasts.filter((t) => t.id !== action.toastId),
-      };
+      }
   }
-};
+}
 
-const listeners: Array<(state: State) => void> = [];
+const listeners: Array<(state: State) => void> = []
 
-let memoryState: State = { toasts: [] };
+let memoryState: State = { toasts: [] }
 
 function dispatch(action: Action) {
-  memoryState = reducer(memoryState, action);
+  memoryState = reducer(memoryState, action)
   listeners.forEach((listener) => {
-    listener(memoryState);
-  });
+    listener(memoryState)
+  })
 }
 
-interface Toast extends Omit<ToasterToast, "id"> {}
+type Toast = Omit<ToasterToast, "id">
 
 function toast({ ...props }: Toast) {
-  const id = genId();
+  const id = genId()
 
   const update = (props: ToasterToast) =>
     dispatch({
       type: "UPDATE_TOAST",
       toast: { ...props, id },
-    });
-  const dismiss = () => dispatch({ type: "DISMISS_TOAST", toastId: id });
+    })
+  const dismiss = () => dispatch({ type: "DISMISS_TOAST", toastId: id })
 
   dispatch({
     type: "ADD_TOAST",
@@ -154,36 +157,36 @@ function toast({ ...props }: Toast) {
       id,
       open: true,
       onOpenChange: (open) => {
-        if (!open) dismiss();
+        if (!open) dismiss()
       },
     },
-  });
+  })
 
   return {
     id: id,
     dismiss,
     update,
-  };
+  }
 }
 
 function useToast() {
-  const [state, setState] = React.useState<State>(memoryState);
+  const [state, setState] = React.useState<State>(memoryState)
 
   React.useEffect(() => {
-    listeners.push(setState);
+    listeners.push(setState)
     return () => {
-      const index = listeners.indexOf(setState);
+      const index = listeners.indexOf(setState)
       if (index > -1) {
-        listeners.splice(index, 1);
+        listeners.splice(index, 1)
       }
-    };
-  }, [state]);
+    }
+  }, [state])
 
   return {
     ...state,
     toast,
     dismiss: (toastId?: string) => dispatch({ type: "DISMISS_TOAST", toastId }),
-  };
+  }
 }
 
-export { useToast, toast };
+export { useToast, toast }