diff --git a/app/client/platforms/siliconflow.ts b/app/client/platforms/siliconflow.ts
index fe2f9862b27..90dc135110e 100644
--- a/app/client/platforms/siliconflow.ts
+++ b/app/client/platforms/siliconflow.ts
@@ -174,8 +174,8 @@ export class SiliconflowApi implements LLMApi {
 
             // Skip if both content and reasoning_content are empty or null
             if (
-              (!reasoning || reasoning.trim().length === 0) &&
-              (!content || content.trim().length === 0)
+              (!reasoning || reasoning.length === 0) &&
+              (!content || content.length === 0)
             ) {
               return {
                 isThinking: false,
@@ -183,12 +183,12 @@ export class SiliconflowApi implements LLMApi {
               };
             }
 
-            if (reasoning && reasoning.trim().length > 0) {
+            if (reasoning && reasoning.length > 0) {
               return {
                 isThinking: true,
                 content: reasoning,
               };
-            } else if (content && content.trim().length > 0) {
+            } else if (content && content.length > 0) {
               return {
                 isThinking: false,
                 content: content,
diff --git a/app/utils/chat.ts b/app/utils/chat.ts
index c04d33cbfbf..b77955e6ecf 100644
--- a/app/utils/chat.ts
+++ b/app/utils/chat.ts
@@ -576,7 +576,7 @@ export function streamWithThink(
         try {
           const chunk = parseSSE(text, runTools);
           // Skip if content is empty
-          if (!chunk?.content || chunk.content.trim().length === 0) {
+          if (!chunk?.content || chunk.content.length === 0) {
             return;
           }
           // Check if thinking mode changed