diff --git a/backend/analytics-service/pom.xml b/backend/analytics-service/pom.xml
index aa79249..ee7c99f 100644
--- a/backend/analytics-service/pom.xml
+++ b/backend/analytics-service/pom.xml
@@ -27,6 +27,13 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/backend/analytics-service/src/main/resources/application.yml b/backend/analytics-service/src/main/resources/application.yml
index dd133e3..0a41239 100644
--- a/backend/analytics-service/src/main/resources/application.yml
+++ b/backend/analytics-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: analytics-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/archive-service/pom.xml b/backend/archive-service/pom.xml
index 515a9ba..7318d6a 100644
--- a/backend/archive-service/pom.xml
+++ b/backend/archive-service/pom.xml
@@ -18,7 +18,7 @@
     </dependencies>
     <build>
         <plugins>
-            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin>
+            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin>
         </plugins>
     </build>
 </project>
diff --git a/backend/archive-service/src/main/resources/application.yml b/backend/archive-service/src/main/resources/application.yml
index fc3437f..420d1bc 100644
--- a/backend/archive-service/src/main/resources/application.yml
+++ b/backend/archive-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: archive-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/auth-service/pom.xml b/backend/auth-service/pom.xml
index c3076fc..e1d8ff9 100644
--- a/backend/auth-service/pom.xml
+++ b/backend/auth-service/pom.xml
@@ -46,6 +46,13 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/backend/auth-service/src/main/java/com/artedu/auth/AuthServiceApplication.java b/backend/auth-service/src/main/java/com/artedu/auth/AuthServiceApplication.java
index 0a089af..dc6f48f 100644
--- a/backend/auth-service/src/main/java/com/artedu/auth/AuthServiceApplication.java
+++ b/backend/auth-service/src/main/java/com/artedu/auth/AuthServiceApplication.java
@@ -2,6 +2,8 @@ package com.artedu.auth;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.client.RestTemplate;
 
 /**
  * 认证授权服务启动类
@@ -9,6 +11,11 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 @SpringBootApplication(scanBasePackages = {"com.artedu.auth", "com.artedu.common"})
 public class AuthServiceApplication {
 
+    @Bean
+    public RestTemplate restTemplate() {
+        return new RestTemplate();
+    }
+
     public static void main(String[] args) {
         SpringApplication.run(AuthServiceApplication.class, args);
     }
diff --git a/backend/auth-service/src/main/resources/application.yml b/backend/auth-service/src/main/resources/application.yml
index 03a0254..068291a 100644
--- a/backend/auth-service/src/main/resources/application.yml
+++ b/backend/auth-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: auth-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/conversation-service/pom.xml b/backend/conversation-service/pom.xml
index 15b08c7..ea7f67f 100644
--- a/backend/conversation-service/pom.xml
+++ b/backend/conversation-service/pom.xml
@@ -18,7 +18,7 @@
     </dependencies>
     <build>
         <plugins>
-            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin>
+            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin>
         </plugins>
     </build>
 </project>
diff --git a/backend/conversation-service/src/main/resources/application.yml b/backend/conversation-service/src/main/resources/application.yml
index 6fc445b..5ab17b3 100644
--- a/backend/conversation-service/src/main/resources/application.yml
+++ b/backend/conversation-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: conversation-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/gateway/pom.xml b/backend/gateway/pom.xml
index 771c2ad..ce7753b 100644
--- a/backend/gateway/pom.xml
+++ b/backend/gateway/pom.xml
@@ -22,6 +22,13 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/backend/gateway/src/main/resources/application.yml b/backend/gateway/src/main/resources/application.yml
index 8f95182..e594c69 100644
--- a/backend/gateway/src/main/resources/application.yml
+++ b/backend/gateway/src/main/resources/application.yml
@@ -42,7 +42,7 @@ spring:
       globalcors:
         cors-configurations:
           '[/**]':
-            allowedOrigins: "*"
+            allowedOriginPatterns: "*"
             allowedMethods: "*"
             allowedHeaders: "*"
             allowCredentials: true
diff --git a/backend/generation-service/pom.xml b/backend/generation-service/pom.xml
index 07c7103..e85f80d 100644
--- a/backend/generation-service/pom.xml
+++ b/backend/generation-service/pom.xml
@@ -17,7 +17,7 @@
     </dependencies>
     <build>
         <plugins>
-            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin>
+            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin>
         </plugins>
     </build>
 </project>
diff --git a/backend/generation-service/src/main/resources/application.yml b/backend/generation-service/src/main/resources/application.yml
index 6d9215d..fca4899 100644
--- a/backend/generation-service/src/main/resources/application.yml
+++ b/backend/generation-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: generation-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/intent-service/pom.xml b/backend/intent-service/pom.xml
index b5d1b2b..c36a227 100644
--- a/backend/intent-service/pom.xml
+++ b/backend/intent-service/pom.xml
@@ -17,7 +17,7 @@
     </dependencies>
     <build>
         <plugins>
-            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin>
+            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin>
         </plugins>
     </build>
 </project>
diff --git a/backend/intent-service/src/main/resources/application.yml b/backend/intent-service/src/main/resources/application.yml
index 222fec7..877583a 100644
--- a/backend/intent-service/src/main/resources/application.yml
+++ b/backend/intent-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: intent-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/kb-admin-service/pom.xml b/backend/kb-admin-service/pom.xml
index 1dd6636..ac96b88 100644
--- a/backend/kb-admin-service/pom.xml
+++ b/backend/kb-admin-service/pom.xml
@@ -27,6 +27,13 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/backend/kb-admin-service/src/main/resources/application.yml b/backend/kb-admin-service/src/main/resources/application.yml
index 2b92406..f1049ab 100644
--- a/backend/kb-admin-service/src/main/resources/application.yml
+++ b/backend/kb-admin-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: kb-admin-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis:
diff --git a/backend/recommendation-service/pom.xml b/backend/recommendation-service/pom.xml
index 95220f7..2f44f18 100644
--- a/backend/recommendation-service/pom.xml
+++ b/backend/recommendation-service/pom.xml
@@ -18,7 +18,7 @@
     </dependencies>
     <build>
         <plugins>
-            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin>
+            <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin>
         </plugins>
     </build>
 </project>
diff --git a/backend/recommendation-service/src/main/resources/application.yml b/backend/recommendation-service/src/main/resources/application.yml
index 96f04b4..3589666 100644
--- a/backend/recommendation-service/src/main/resources/application.yml
+++ b/backend/recommendation-service/src/main/resources/application.yml
@@ -6,7 +6,7 @@ spring:
     name: recommendation-service
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8mb4&serverTimezone=Asia/Shanghai&useSSL=false
+    url: jdbc:mysql://${MYSQL_HOST:localhost}:${MYSQL_PORT:3306}/${MYSQL_DATABASE:ai_assistant}?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai&useSSL=false
     username: ${MYSQL_USERNAME:root}
     password: ${MYSQL_PASSWORD:root}
   redis: