diff --git a/src/renderer/src/aiCore/clients/gemini/GeminiAPIClient.ts b/src/renderer/src/aiCore/clients/gemini/GeminiAPIClient.ts
index 3255b8cf86..2b1e2c4d31 100644
--- a/src/renderer/src/aiCore/clients/gemini/GeminiAPIClient.ts
+++ b/src/renderer/src/aiCore/clients/gemini/GeminiAPIClient.ts
@@ -416,8 +416,9 @@ export class GeminiAPIClient extends BaseApiClient<
         }
       }
 
-      const { max } = findTokenLimit(model.id) || { max: 0 }
-      const budget = Math.floor(max * effortRatio)
+      const { min, max } = findTokenLimit(model.id) || { min: 0, max: 0 }
+      // 计算 budgetTokens，确保不低于 min
+      const budget = Math.floor((max - min) * effortRatio + min)
 
       return {
         thinkingConfig: {
diff --git a/src/renderer/src/config/models.ts b/src/renderer/src/config/models.ts
index 173753f8ed..4a842c59ca 100644
--- a/src/renderer/src/config/models.ts
+++ b/src/renderer/src/config/models.ts
@@ -2289,6 +2289,8 @@ export const TEXT_TO_IMAGES_MODELS_SUPPORT_IMAGE_ENHANCEMENT = [
 ]
 
 export const SUPPORTED_DISABLE_GENERATION_MODELS = [
+  'gemini-2.0-flash-exp-image-generation',
+  'gemini-2.0-flash-preview-image-generation',
   'gemini-2.0-flash-exp',
   'gpt-4o',
   'gpt-4o-mini',
@@ -2308,24 +2310,7 @@ export const GENERATE_IMAGE_MODELS = [
   ...SUPPORTED_DISABLE_GENERATION_MODELS
 ]
 
-export const GEMINI_SEARCH_MODELS = [
-  'gemini-2.0-flash',
-  'gemini-2.0-flash-lite',
-  'gemini-2.0-flash-exp',
-  'gemini-2.0-flash-001',
-  'gemini-2.5-pro',
-  'gemini-2.0-pro-exp-02-05',
-  'gemini-2.0-pro-exp',
-  'gemini-2.5-pro-exp',
-  'gemini-2.5-pro-exp-03-25',
-  'gemini-2.5-pro-preview',
-  'gemini-2.5-pro-preview-03-25',
-  'gemini-2.5-pro-preview-05-06',
-  'gemini-2.5-flash-preview',
-  'gemini-2.5-flash-preview-04-17',
-  'gemini-2.5-flash-preview-05-20',
-  'gemini-2.5-flash-lite-preview-06-17'
-]
+export const GEMINI_SEARCH_REGEX = new RegExp('gemini-2\\..*', 'i')
 
 export const OPENAI_NO_SUPPORT_DEV_ROLE_MODELS = ['o1-preview', 'o1-mini']
 
@@ -2658,13 +2643,13 @@ export function isWebSearchModel(model: Model): boolean {
   }
 
   if (provider?.type === 'openai') {
-    if (GEMINI_SEARCH_MODELS.includes(baseName) || isOpenAIWebSearchModel(model)) {
+    if (GEMINI_SEARCH_REGEX.test(baseName) || isOpenAIWebSearchModel(model)) {
       return true
     }
   }
 
   if (provider.id === 'gemini' || provider?.type === 'gemini') {
-    return GEMINI_SEARCH_MODELS.includes(baseName)
+    return GEMINI_SEARCH_REGEX.test(baseName)
   }
 
   if (provider.id === 'hunyuan') {
@@ -2841,6 +2826,7 @@ export function groupQwenModels(models: Model[]): Record<string, Model[]> {
 
 export const THINKING_TOKEN_MAP: Record<string, { min: number; max: number }> = {
   // Gemini models
+  'gemini-2\\.5-flash-lite.*$': { min: 512, max: 24576 },
   'gemini-.*-flash.*$': { min: 0, max: 24576 },
   'gemini-.*-pro.*$': { min: 128, max: 32768 },