diff --git a/src/components/chat/AgentComposer.test.tsx b/src/components/chat/AgentComposer.test.tsx
new file mode 100644
index 0000000..32c0004
--- /dev/null
+++ b/src/components/chat/AgentComposer.test.tsx
@@ -0,0 +1,61 @@
+/* eslint-disable @next/next/no-img-element */
+import React from "react";
+import { render, screen } from "@testing-library/react";
+import { ThemeProvider, createTheme } from "@mui/material/styles";
+
+import { AgentComposer } from "./AgentComposer";
+
+jest.mock("next/image", () => ({
+  __esModule: true,
+  default: (props: React.ImgHTMLAttributes<HTMLImageElement>) => (
+    <img {...props} alt={props.alt ?? ""} />
+  ),
+}));
+
+jest.mock("framer-motion", () => ({
+  AnimatePresence: ({ children }: { children: React.ReactNode }) => <>{children}</>,
+  motion: {
+    div: ({
+      children,
+      animate: _animate,
+      exit: _exit,
+      initial: _initial,
+      transition: _transition,
+      ...props
+    }: React.HTMLAttributes<HTMLDivElement> & Record<string, unknown>) => (
+      <div {...props}>{children}</div>
+    ),
+  },
+}));
+
+describe("AgentComposer", () => {
+  it("places voice input immediately before send without an attachment action", () => {
+    render(
+      <ThemeProvider theme={createTheme()}>
+        <AgentComposer
+          isStreaming={false}
+          isListening={false}
+          isSttSupported
+          presets={[]}
+          onSend={jest.fn()}
+          onAbort={jest.fn()}
+          onStartListening={jest.fn()}
+          onStopListening={jest.fn()}
+          modelOptions={[{ id: "test-model", label: "测试模型" }]}
+          selectedModel="test-model"
+          onModelChange={jest.fn()}
+          approvalMode="request"
+          onApprovalModeChange={jest.fn()}
+        />
+      </ThemeProvider>,
+    );
+
+    const voiceButton = screen.getByRole("button", { name: "语音输入" });
+    const sendButton = screen.getByRole("button", { name: "发送" });
+
+    expect(screen.queryByRole("button", { name: "上传附件" })).not.toBeInTheDocument();
+    expect(screen.getByTitle("快捷指令图标")).toBeInTheDocument();
+    expect(screen.queryByAltText("TJWater Agent")).not.toBeInTheDocument();
+    expect(voiceButton.nextElementSibling?.contains(sendButton)).toBe(true);
+  });
+});
diff --git a/src/components/chat/AgentComposer.tsx b/src/components/chat/AgentComposer.tsx
index d40a5c1..a6e0b16 100644
--- a/src/components/chat/AgentComposer.tsx
+++ b/src/components/chat/AgentComposer.tsx
@@ -23,7 +23,6 @@ import StopRounded from "@mui/icons-material/StopRounded";
 import MicRounded from "@mui/icons-material/MicRounded";
 import KeyboardArrowDownRounded from "@mui/icons-material/KeyboardArrowDownRounded";
 import KeyboardArrowUpRounded from "@mui/icons-material/KeyboardArrowUpRounded";
-import AttachFileRounded from "@mui/icons-material/AttachFileRounded";
 import BoltRounded from "@mui/icons-material/BoltRounded";
 import AutoAwesomeRounded from "@mui/icons-material/AutoAwesomeRounded";
 import VerifiedUserRounded from "@mui/icons-material/VerifiedUserRounded";
@@ -125,16 +124,10 @@ export const AgentComposer = React.forwardRef<AgentComposerHandle, AgentComposer
         }}
         >
           <Stack direction="row" spacing={1} alignItems="center">
-          <Image
-            src="/ai-agent.svg"
-            alt="TJWater Agent"
-            width={18}
-            height={18}
-            style={{
-              objectFit: "contain",
-              flexShrink: 0,
-            }}
-          />
+            <AutoAwesomeRounded
+              titleAccess="快捷指令图标"
+              sx={{ fontSize: 18, color: "#00acc1", flexShrink: 0 }}
+            />
             <Typography variant="caption" color="text.secondary" fontWeight={800} sx={{ letterSpacing: 0.5 }}>
               管网分析快捷指令
             </Typography>
@@ -230,41 +223,6 @@ export const AgentComposer = React.forwardRef<AgentComposerHandle, AgentComposer
 
           <Stack direction="row" alignItems="center" justifyContent="space-between" sx={{ mt: 2 }}>
             <Stack direction="row" spacing={0.5} alignItems="center">
-              <IconButton size="small" aria-label="上传附件" sx={{ color: "text.secondary", width: 36, height: 36, bgcolor: alpha("#fff", 0.6) }}>
-                <AttachFileRounded fontSize="small" />
-              </IconButton>
-              {isSttSupported ? (
-                isListening ? (
-                  <motion.div
-                    animate={{ scale: [1, 1.14, 1] }}
-                    transition={{ duration: 1.5, repeat: Infinity, ease: "easeInOut" }}
-                  >
-                    <IconButton
-                      onClick={onStopListening}
-                      aria-label="停止语音输入"
-                      size="small"
-                      sx={{
-                        color: "error.main",
-                        bgcolor: alpha(theme.palette.error.main, 0.15),
-                        width: 36,
-                        height: 36,
-                      }}
-                    >
-                      <MicRounded fontSize="small" />
-                    </IconButton>
-                  </motion.div>
-                ) : (
-                  <IconButton
-                    onClick={onStartListening}
-                    disabled={isStreaming || isHydrating}
-                    aria-label="语音输入"
-                    size="small"
-                    sx={{ color: "text.secondary", width: 36, height: 36, bgcolor: alpha("#fff", 0.6) }}
-                  >
-                    <MicRounded fontSize="small" />
-                  </IconButton>
-                )
-              ) : null}
               <FormControl size="small" sx={{ minWidth: 96 }}>
                 <Select
                   value={approvalMode}
@@ -471,6 +429,39 @@ export const AgentComposer = React.forwardRef<AgentComposerHandle, AgentComposer
                 </Select>
               </FormControl>
 
+              {isSttSupported ? (
+                isListening ? (
+                  <motion.div
+                    animate={{ scale: [1, 1.14, 1] }}
+                    transition={{ duration: 1.5, repeat: Infinity, ease: "easeInOut" }}
+                  >
+                    <IconButton
+                      onClick={onStopListening}
+                      aria-label="停止语音输入"
+                      size="small"
+                      sx={{
+                        color: "error.main",
+                        bgcolor: alpha(theme.palette.error.main, 0.15),
+                        width: 36,
+                        height: 36,
+                      }}
+                    >
+                      <MicRounded fontSize="small" />
+                    </IconButton>
+                  </motion.div>
+                ) : (
+                  <IconButton
+                    onClick={onStartListening}
+                    disabled={isStreaming || isHydrating}
+                    aria-label="语音输入"
+                    size="small"
+                    sx={{ color: "text.secondary", width: 36, height: 36, bgcolor: alpha("#fff", 0.6) }}
+                  >
+                    <MicRounded fontSize="small" />
+                  </IconButton>
+                )
+              ) : null}
+
               <AnimatePresence mode="wait">
                 {isStreaming ? (
                   <motion.div key="stop" initial={{ scale: 0 }} animate={{ scale: 1 }} exit={{ scale: 0 }}>