diff --git a/lib/core/base.ps1 b/lib/core/base.ps1
index ab0d73b..d985b22 100644
--- a/lib/core/base.ps1
+++ b/lib/core/base.ps1
@@ -12,41 +12,48 @@ $script:MOLE_BASE_LOADED = $true
 # ============================================================================
 # Color Definitions (ANSI escape codes for modern terminals)
 # ============================================================================
-$script:ESC = [char]27
-$script:DefaultColors = @{
-    Green      = "$ESC[0;32m"
-    Blue       = "$ESC[0;34m"
-    Cyan       = "$ESC[0;36m"
-    Yellow     = "$ESC[0;33m"
-    Purple     = "$ESC[0;35m"
-    PurpleBold = "$ESC[1;35m"
-    Red        = "$ESC[0;31m"
-    Gray       = "$ESC[0;90m"
-    White      = "$ESC[0;37m"
-    NC         = "$ESC[0m"  # No Color / Reset
+function Get-MoleDefaultColors {
+    $esc = [char]27
+    return @{
+        Green      = "$esc[0;32m"
+        Blue       = "$esc[0;34m"
+        Cyan       = "$esc[0;36m"
+        Yellow     = "$esc[0;33m"
+        Purple     = "$esc[0;35m"
+        PurpleBold = "$esc[1;35m"
+        Red        = "$esc[0;31m"
+        Gray       = "$esc[0;90m"
+        White      = "$esc[0;37m"
+        NC         = "$esc[0m"  # No Color / Reset
+    }
 }
 
 # ============================================================================
 # Icon Definitions
 # ============================================================================
-$script:DefaultIcons = @{
-    Confirm  = [char]0x25CE  # ◎
-    Admin    = [char]0x2699  # ⚙
-    Success  = [char]0x2713  # ✓
-    Error    = [char]0x263B  # ☻
-    Warning  = [char]0x25CF  # ●
-    Empty    = [char]0x25CB  # ○
-    Solid    = [char]0x25CF  # ●
-    List     = [char]0x2022  # •
-    Arrow    = [char]0x27A4  # ➤
-    DryRun   = [char]0x2192  # →
-    NavUp    = [char]0x2191  # ↑
-    NavDown  = [char]0x2193  # ↓
-    Folder   = [char]0x25A0  # ■ (folder substitute)
-    File     = [char]0x25A1  # □ (file substitute)
-    Trash    = [char]0x2718  # ✘ (trash substitute)
+function Get-MoleDefaultIcons {
+    return @{
+        Confirm  = [char]0x25CE  # ◎
+        Admin    = [char]0x2699  # ⚙
+        Success  = [char]0x2713  # ✓
+        Error    = [char]0x263B  # ☻
+        Warning  = [char]0x25CF  # ●
+        Empty    = [char]0x25CB  # ○
+        Solid    = [char]0x25CF  # ●
+        List     = [char]0x2022  # •
+        Arrow    = [char]0x27A4  # ➤
+        DryRun   = [char]0x2192  # →
+        NavUp    = [char]0x2191  # ↑
+        NavDown  = [char]0x2193  # ↓
+        Folder   = [char]0x25A0  # ■ (folder substitute)
+        File     = [char]0x25A1  # □ (file substitute)
+        Trash    = [char]0x2718  # ✘ (trash substitute)
+    }
 }
 
+$script:DefaultColors = Get-MoleDefaultColors
+$script:DefaultIcons = Get-MoleDefaultIcons
+
 function Get-OrCreateScriptHashtable {
     param(
         [Parameter(Mandatory)]
@@ -63,24 +70,79 @@ function Get-OrCreateScriptHashtable {
     return $table
 }
 
+function Get-MoleDefaultHashtable {
+    param(
+        [Parameter(Mandatory)]
+        [ValidateSet('Colors', 'Icons')]
+        [string]$Name
+    )
+
+    $defaultVariable = Get-Variable -Name "Default$Name" -Scope Script -ErrorAction SilentlyContinue
+    if ($defaultVariable -and $defaultVariable.Value -is [hashtable]) {
+        return $defaultVariable.Value
+    }
+
+    switch ($Name) {
+        'Colors' { return Get-MoleDefaultColors }
+        'Icons' { return Get-MoleDefaultIcons }
+    }
+}
+
 function Initialize-MoleVisualDefaults {
+    $defaultColors = Get-MoleDefaultHashtable -Name "Colors"
     $colors = Get-OrCreateScriptHashtable -Name "Colors"
 
-    foreach ($entry in $script:DefaultColors.GetEnumerator()) {
+    foreach ($entry in $defaultColors.GetEnumerator()) {
         if (-not $colors.ContainsKey($entry.Key)) {
             $colors[$entry.Key] = $entry.Value
         }
     }
 
+    $defaultIcons = Get-MoleDefaultHashtable -Name "Icons"
     $icons = Get-OrCreateScriptHashtable -Name "Icons"
 
-    foreach ($entry in $script:DefaultIcons.GetEnumerator()) {
+    foreach ($entry in $defaultIcons.GetEnumerator()) {
         if (-not $icons.ContainsKey($entry.Key)) {
             $icons[$entry.Key] = $entry.Value
         }
     }
 }
 
+function Get-MoleVisualValue {
+    param(
+        [Parameter(Mandatory)]
+        [ValidateSet('Colors', 'Icons')]
+        [string]$TableName,
+
+        [Parameter(Mandatory)]
+        [string]$Key
+    )
+
+    $table = Get-OrCreateScriptHashtable -Name $TableName
+    if (-not $table.ContainsKey($Key)) {
+        $defaults = Get-MoleDefaultHashtable -Name $TableName
+        if ($defaults.ContainsKey($Key)) {
+            $table[$Key] = $defaults[$Key]
+        }
+    }
+
+    if ($table.ContainsKey($Key)) {
+        return $table[$Key]
+    }
+
+    return $null
+}
+
+function Get-MoleColor {
+    param([Parameter(Mandatory)][string]$Name)
+    return Get-MoleVisualValue -TableName "Colors" -Key $Name
+}
+
+function Get-MoleIcon {
+    param([Parameter(Mandatory)][string]$Name)
+    return Get-MoleVisualValue -TableName "Icons" -Key $Name
+}
+
 Initialize-MoleVisualDefaults
 
 # ============================================================================
diff --git a/lib/core/log.ps1 b/lib/core/log.ps1
index dc291fb..d0db808 100644
--- a/lib/core/log.ps1
+++ b/lib/core/log.ps1
@@ -40,8 +40,8 @@ function Write-LogMessage {
     )
 
     $timestamp = Get-Date -Format "HH:mm:ss"
-    $colorCode = $script:Colors[$Color]
-    $nc = $script:Colors.NC
+    $colorCode = Get-MoleColor -Name $Color
+    $nc = Get-MoleColor -Name "NC"
 
     $formattedIcon = if ($Icon) { "$Icon " } else { "" }
     $output = "  ${colorCode}${formattedIcon}${nc}${Message}"
@@ -60,7 +60,7 @@ function Write-Info {
         Write an informational message
     #>
     param([string]$Message)
-    Write-LogMessage -Message $Message -Level "INFO" -Color "Cyan" -Icon $script:Icons.List
+    Write-LogMessage -Message $Message -Level "INFO" -Color "Cyan" -Icon (Get-MoleIcon -Name "List")
 }
 
 function Write-Success {
@@ -69,7 +69,7 @@ function Write-Success {
         Write a success message
     #>
     param([string]$Message)
-    Write-LogMessage -Message $Message -Level "SUCCESS" -Color "Green" -Icon $script:Icons.Success
+    Write-LogMessage -Message $Message -Level "SUCCESS" -Color "Green" -Icon (Get-MoleIcon -Name "Success")
 }
 
 
@@ -79,7 +79,7 @@ function Write-MoleWarning {
         Write a warning message
     #>
     param([string]$Message)
-    Write-LogMessage -Message $Message -Level "WARN" -Color "Yellow" -Icon $script:Icons.Warning
+    Write-LogMessage -Message $Message -Level "WARN" -Color "Yellow" -Icon (Get-MoleIcon -Name "Warning")
 }
 
 function Write-MoleError {
@@ -88,7 +88,7 @@ function Write-MoleError {
         Write an error message
     #>
     param([string]$Message)
-    Write-LogMessage -Message $Message -Level "ERROR" -Color "Red" -Icon $script:Icons.Error
+    Write-LogMessage -Message $Message -Level "ERROR" -Color "Red" -Icon (Get-MoleIcon -Name "Error")
 }
 
 
@@ -100,8 +100,8 @@ function Write-Debug {
     param([string]$Message)
 
     if ($script:LogConfig.DebugEnabled) {
-        $gray = $script:Colors.Gray
-        $nc = $script:Colors.NC
+        $gray = Get-MoleColor -Name "Gray"
+        $nc = Get-MoleColor -Name "NC"
         Write-Host "  ${gray}[DEBUG] $Message${nc}"
     }
 }
@@ -112,7 +112,7 @@ function Write-DryRun {
         Write a dry-run message (action that would be taken)
     #>
     param([string]$Message)
-    Write-LogMessage -Message $Message -Level "DRYRUN" -Color "Yellow" -Icon $script:Icons.DryRun
+    Write-LogMessage -Message $Message -Level "DRYRUN" -Color "Yellow" -Icon (Get-MoleIcon -Name "DryRun")
 }
 
 # ============================================================================
@@ -136,9 +136,9 @@ function Start-Section {
     $script:CurrentSection.Activity = $false
     $script:CurrentSection.Name = $Title
 
-    $purple = $script:Colors.PurpleBold
-    $nc = $script:Colors.NC
-    $arrow = $script:Icons.Arrow
+    $purple = Get-MoleColor -Name "PurpleBold"
+    $nc = Get-MoleColor -Name "NC"
+    $arrow = Get-MoleIcon -Name "Arrow"
 
     Write-Host ""
     Write-Host "${purple}${arrow} ${Title}${nc}"
@@ -181,8 +181,8 @@ function Start-Spinner {
     param([string]$Message = "Working...")
 
     $script:SpinnerIndex = 0
-    $gray = $script:Colors.Gray
-    $nc = $script:Colors.NC
+    $gray = Get-MoleColor -Name "Gray"
+    $nc = Get-MoleColor -Name "NC"
 
     Write-Host -NoNewline "  ${gray}$($script:SpinnerFrames[0]) $Message${nc}"
 }
@@ -196,8 +196,8 @@ function Update-Spinner {
 
     $script:SpinnerIndex = ($script:SpinnerIndex + 1) % $script:SpinnerFrames.Count
     $frame = $script:SpinnerFrames[$script:SpinnerIndex]
-    $gray = $script:Colors.Gray
-    $nc = $script:Colors.NC
+    $gray = Get-MoleColor -Name "Gray"
+    $nc = Get-MoleColor -Name "NC"
 
     # Move cursor to beginning of line and clear
     Write-Host -NoNewline "`r  ${gray}$frame $Message${nc}    "
@@ -232,8 +232,8 @@ function Write-Progress {
     $empty = $Width - $filled
 
     $bar = ("[" + ("=" * $filled) + (" " * $empty) + "]")
-    $cyan = $script:Colors.Cyan
-    $nc = $script:Colors.NC
+    $cyan = Get-MoleColor -Name "Cyan"
+    $nc = Get-MoleColor -Name "NC"
 
     Write-Host -NoNewline "`r  ${cyan}$bar${nc} ${percent}% $Message    "
 }
diff --git a/tests/Commands.Tests.ps1 b/tests/Commands.Tests.ps1
index 59d391d..a12db6f 100644
--- a/tests/Commands.Tests.ps1
+++ b/tests/Commands.Tests.ps1
@@ -6,7 +6,7 @@ BeforeAll {
     $script:WindowsDir = Split-Path -Parent $PSScriptRoot
     $script:BinDir = Join-Path $script:WindowsDir "bin"
     $script:InstallScript = Join-Path $script:WindowsDir "install.ps1"
-    $script:VisualDefaultsErrorPattern = 'property ''Solid'' cannot be found|找不到属性.?Solid|VariableIsUndefined|\$script:Colors'
+    $script:VisualDefaultsErrorPattern = 'property ''(Solid|Error)'' cannot be found|找不到属性.?(Solid|Error)|VariableIsUndefined|\$script:Colors'
 }
 
 Describe "Clean Command" {
diff --git a/tests/Core.Tests.ps1 b/tests/Core.Tests.ps1
index e9080f4..d493f40 100644
--- a/tests/Core.Tests.ps1
+++ b/tests/Core.Tests.ps1
@@ -70,6 +70,14 @@ Describe "Base Module" {
             $script:Icons.Solid | Should -Be "*"
             $script:Icons.Admin | Should -Not -BeNullOrEmpty
         }
+
+        It "Should restore missing icon entries on demand" {
+            $script:Icons = @{ Solid = "*" }
+
+            (Get-MoleIcon -Name "Error") | Should -Not -BeNullOrEmpty
+            $script:Icons.Error | Should -Not -BeNullOrEmpty
+            $script:Icons.Solid | Should -Be "*"
+        }
     }
 
     Context "Test-IsAdmin" {
@@ -242,6 +250,19 @@ Describe "Logging Module" {
             # Note: The actual function is Write-MoleError
             { Write-MoleError "Test message" } | Should -Not -Throw
         }
+
+        It "Should log errors even when the icon table is partial" {
+            $originalIcons = $script:Icons.Clone()
+
+            try {
+                $script:Icons = @{ Solid = "*" }
+                { Write-MoleError "Test message" } | Should -Not -Throw
+                $script:Icons.Error | Should -Not -BeNullOrEmpty
+            }
+            finally {
+                $script:Icons = $originalIcons
+            }
+        }
     }
 
     Context "Section Functions" {