diff --git a/.gitea/workflows/gui-version-release.yml b/.gitea/workflows/gui-version-release.yml
index 02fa668..5d3fa01 100644
--- a/.gitea/workflows/gui-version-release.yml
+++ b/.gitea/workflows/gui-version-release.yml
@@ -149,15 +149,54 @@ jobs:
         Write-Host "Production build completed successfully";
         Write-Host "";
 
-    # Step 4.6: Build NSIS installer
+    # Step 4.6: Install NSIS
+    - name: Install NSIS
+      if: success()
+      shell: powershell
+      run: |
+        Write-Host "==========================================";
+        Write-Host "Step 4.6: Install NSIS";
+        Write-Host "==========================================";
+        
+        # Download NSIS 3.09
+        $nsisUrl = "https://sourceforge.net/projects/nsis/files/NSIS%203/3.09/nsis-3.09-setup.exe/download";
+        $nsisInstaller = "$env:TEMP\nsis-setup.exe";
+        
+        Write-Host "Downloading NSIS installer...";
+        try {
+          Invoke-WebRequest -Uri $nsisUrl -OutFile $nsisInstaller -UseBasicParsing -TimeoutSec 300;
+        } catch {
+          Write-Host "Failed to download from SourceForge, trying alternative source...";
+          $nsisUrl = "https://nsis.sourceforge.io/mediawiki/images/4/4a/Nsis-3.09-setup.exe";
+          Invoke-WebRequest -Uri $nsisUrl -OutFile $nsisInstaller -UseBasicParsing -TimeoutSec 300;
+        }
+        
+        Write-Host "Installing NSIS silently...";
+        Start-Process -FilePath $nsisInstaller -ArgumentList "/S" -Wait -NoNewWindow;
+        
+        # Add NSIS to PATH
+        $nsisPath = "C:\Program Files (x86)\NSIS";
+        $env:Path += ";$nsisPath";
+        
+        Write-Host "Verifying NSIS installation...";
+        & makensis /VERSION;
+        
+        Write-Host "NSIS installed successfully";
+        Write-Host "";
+
+    # Step 4.7: Build NSIS installer
     - name: Build NSIS installer
       if: success()
       shell: powershell
       run: |
         Write-Host "==========================================";
-        Write-Host "Step 4.6: Build NSIS installer";
+        Write-Host "Step 4.7: Build NSIS installer";
         Write-Host "==========================================";
         
+        # Ensure NSIS is in PATH
+        $nsisPath = "C:\Program Files (x86)\NSIS";
+        $env:Path += ";$nsisPath";
+        
         cd installer;
         python build_installer.py;
         if ($LASTEXITCODE -ne 0) {
@@ -179,13 +218,13 @@ jobs:
         Write-Host "  Size: $installerSize MB";
         Write-Host "";
 
-    # Step 4.7: Upload installer to KS3
+    # Step 4.8: Upload installer to KS3
     - name: Upload installer to KS3
       if: success()
       shell: powershell
       run: |
         Write-Host "==========================================";
-        Write-Host "Step 4.7: Upload installer to KS3";
+        Write-Host "Step 4.8: Upload installer to KS3";
         Write-Host "==========================================";
         
         pip install ks3 2>$null;
diff --git a/config.py b/config.py
index 6a17b9a..e25f837 100644
--- a/config.py
+++ b/config.py
@@ -42,7 +42,7 @@ VERSION = "1.0"
 WINDOW_TITLE = "AI回复连接入口-V1.0"
 
 # 应用版本号（用于版本检查）
-APP_VERSION = "1.5.1"
+APP_VERSION = "1.5.2"
 
 # 平台特定配置
 PLATFORMS = {
diff --git a/version_history.json b/version_history.json
index 03eb70e..e2c900c 100644
--- a/version_history.json
+++ b/version_history.json
@@ -1,4 +1,20 @@
 [
+  {
+    "version": "1.5.2",
+    "update_type": "patch",
+    "content": "[patch] 解决乱码bug",
+    "author": "Gitea Actions Bot",
+    "commit_hash": "2d05024e82ac0c16eff30625195486f7c6862ea8",
+    "commit_short_hash": "2d05024e",
+    "branch": "develop",
+    "release_time": "2025-10-11 16:05:03",
+    "download_url": "https://ks3-cn-guangzhou.ksyuncs.com/shuidrop-chat-server/installers/ShuiDi_AI_Assistant_Setup_v1.5.2.exe",
+    "stats": {
+      "files_changed": 5,
+      "lines_added": 207,
+      "lines_deleted": 192
+    }
+  },
   {
     "version": "1.5.1",
     "update_type": "patch",